{"kind": "operator", "major": "18", "item": {"slug": "op-3c2d3e-line-lseg", "name": "<->(line,lseg)", "name_zh": "", "category": "\u51e0\u4f55", "summary": "\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb", "aliases": ["<->", "<->(line,lseg)"], "content_hash": "deecb01758ab307ef8a689cab5fae1ed6a09a3cf3ea86e5c5fb397a15b21cd20", "versions": {"13": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=13", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=13", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=13", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=13", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "13.23", "major": "13", "channel": "historical", "revision": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6", "source_sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6", "manual_fingerprint": "2bbea71f4723fc9e4e58cfdb28368763f999de2800d45ade748f7c7546dfb9d3", "catalog_fingerprint": "df58d29b226fbb90326087233d7970032abdec1352373270449eeee324f84a35"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v13.23/postgresql-13.23.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "6ec3c82726af92b7dec873fa1cdf881eca92a4219787dfad05acb6b10e041fd6"}, {"url": "https://pg.center/docs/13/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 13 English manual: catalog-pg-operator.html", "sha256": "1a325d2fa41f711c0a7fa6b57e37e8e98a59f218e01112e0767c455c1b5818a1", "language": "en", "original_url": "/docs/13/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/13/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 13 English manual: catalog-pg-amop.html", "sha256": "7a8e67f8dc59c305612c6d029fc8760c092f27203d5338c6db6c6d9b8aabc561", "language": "en", "original_url": "/docs/13/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 37.14 \u8282 \u3002", "\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/13/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "46fd38944eeaedaf5977bf7e555facfc61d03f97bee7df978680e2d60921724e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]", "#CATALOG-PG-OPERATOR/p[5]"]}], "language": "zh", "original_text": {"/versions/13/description/0": "distance between", "/versions/13/facts/0/label": "Left operand", "/versions/13/facts/1/label": "Right operand", "/versions/13/facts/2/label": "Result type", "/versions/13/facts/3/label": "Implementing function", "/versions/13/facts/4/label": "Operator kind", "/versions/13/facts/5/label": "Hash join candidate", "/versions/13/facts/5/value": "no", "/versions/13/facts/6/label": "Merge join candidate", "/versions/13/facts/6/value": "no", "/versions/13/related/0/label": "line data type", "/versions/13/related/1/label": "lseg data type", "/versions/13/related/2/label": "float8 data type", "/versions/13/related/3/label": "Commutator: <->(lseg,line)", "/versions/13/sections/0/title": "Catalog interpretation", "/versions/13/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 37.14 for more information.", "/versions/13/sections/0/paragraphs/1": "Unused columns contain zeroes. For example, oprleft is zero for a prefix operator."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "30336afc6883cfcd67f175ea7ffd95feb668dba9182ba8b33f87a397d7a42e14"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}, "14": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=14", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=14", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=14", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=14", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "14.24", "major": "14", "channel": "stable", "revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897", "source_sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897", "manual_fingerprint": "1d055c6dc55d4defe2b6e9d0f842a47005487b21025b67e51d06721d3c122f71", "catalog_fingerprint": "9e0116f26e5ce870719efb77ef7b73e30c7928f8af27cbe87fdea32efe3811ef"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v14.24/postgresql-14.24.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, {"url": "https://pg.center/docs/14/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 14 English manual: catalog-pg-operator.html", "sha256": "5e69fa82a7f0b49efb4ba5fc669e5bd35aeeede75682493bfc87e6035b23dd4d", "language": "en", "original_url": "/docs/14/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/14/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 14 English manual: catalog-pg-amop.html", "sha256": "402b87d7fb1a313b096ba5349a676ae38d507e2eb98739d6ed7f0681e0b9a9a4", "language": "en", "original_url": "/docs/14/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/14/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "77531e62ed30180fca3990f31ecee43d1a140f3a459c18583e5158aa4b41435a", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/14/description/0": "distance between", "/versions/14/facts/0/label": "Left operand", "/versions/14/facts/1/label": "Right operand", "/versions/14/facts/2/label": "Result type", "/versions/14/facts/3/label": "Implementing function", "/versions/14/facts/4/label": "Operator kind", "/versions/14/facts/5/label": "Hash join candidate", "/versions/14/facts/5/value": "no", "/versions/14/facts/6/label": "Merge join candidate", "/versions/14/facts/6/value": "no", "/versions/14/related/0/label": "line data type", "/versions/14/related/1/label": "lseg data type", "/versions/14/related/2/label": "float8 data type", "/versions/14/related/3/label": "Commutator: <->(lseg,line)", "/versions/14/sections/0/title": "Catalog interpretation", "/versions/14/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "3bfbceac1836a6f609353576f57f5c5c23fcac719e9cea9f2d9a7f6c8bde608d"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}, "15": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=15", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=15", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=15", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=15", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "15.19", "major": "15", "channel": "stable", "revision": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89", "source_sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89", "manual_fingerprint": "f39c61e9facb5b9404c7d6d1cf494d83af0cc46146554a7fc40724eb882d24a9", "catalog_fingerprint": "1c332a5ccec7bfdd8ca19b55a0279b5bd6cb1dd5dcc6c5587a98a491a9b566a5"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v15.19/postgresql-15.19.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "e1a64a87a46b825b88c082e4518161a47aab53c45694964f8ba1df28f7859f89"}, {"url": "https://pg.center/docs/15/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 15 English manual: catalog-pg-operator.html", "sha256": "3719563ca7bb28791116cb206b9998cd336d09fb4d4cc4a236b6447bcfd5cbb2", "language": "en", "original_url": "/docs/15/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/15/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 15 English manual: catalog-pg-amop.html", "sha256": "53ced8770f19710869151ab02a9a6f0d97380981ca4bfe83752092bfb74a9e0c", "language": "en", "original_url": "/docs/15/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/15/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "4865734bda46f48a054c1c554b2ff262358a48b562081c1f01a178a6df15e38b", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/15/description/0": "distance between", "/versions/15/facts/0/label": "Left operand", "/versions/15/facts/1/label": "Right operand", "/versions/15/facts/2/label": "Result type", "/versions/15/facts/3/label": "Implementing function", "/versions/15/facts/4/label": "Operator kind", "/versions/15/facts/5/label": "Hash join candidate", "/versions/15/facts/5/value": "no", "/versions/15/facts/6/label": "Merge join candidate", "/versions/15/facts/6/value": "no", "/versions/15/related/0/label": "line data type", "/versions/15/related/1/label": "lseg data type", "/versions/15/related/2/label": "float8 data type", "/versions/15/related/3/label": "Commutator: <->(lseg,line)", "/versions/15/sections/0/title": "Catalog interpretation", "/versions/15/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "9d8a98fcbea5c6a3159448ab345a46e679a6089fb445b7585b04eb14ef568779"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}, "16": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=16", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=16", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=16", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=16", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "16.15", "major": "16", "channel": "stable", "revision": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed", "source_sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed", "manual_fingerprint": "846fb006e9d590387203c1c65f671240bc5c30604c4e3084cf572817aacc19d0", "catalog_fingerprint": "70797d889dd8aeed77ae81092f99ab380e1109b54b0b7ca6fbf400e0a2111a70"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v16.15/postgresql-16.15.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "c1575341fa7bd40f5274ea465b34390f4dc64cdd0770af327005caaeb9f6b7ed"}, {"url": "https://pg.center/docs/16/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 16 English manual: catalog-pg-operator.html", "sha256": "dc789ccf76b6bcbb9b1793858fe700431720a1e70f3261de2b3362ed78040476", "language": "en", "original_url": "/docs/16/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/16/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 16 English manual: catalog-pg-amop.html", "sha256": "f580ac4a34d5f9d567834684e0c41b7df32a952e20a2fc11a9ce0964c2df7e9a", "language": "en", "original_url": "/docs/16/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 38.14 \u8282 \u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/16/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "ff2395afae4eb19cedbcb0acbd87a844078e82ba0722c2dbe9e7fa0c4c6503d4", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/16/description/0": "distance between", "/versions/16/facts/0/label": "Left operand", "/versions/16/facts/1/label": "Right operand", "/versions/16/facts/2/label": "Result type", "/versions/16/facts/3/label": "Implementing function", "/versions/16/facts/4/label": "Operator kind", "/versions/16/facts/5/label": "Hash join candidate", "/versions/16/facts/5/value": "no", "/versions/16/facts/6/label": "Merge join candidate", "/versions/16/facts/6/value": "no", "/versions/16/related/0/label": "line data type", "/versions/16/related/1/label": "lseg data type", "/versions/16/related/2/label": "float8 data type", "/versions/16/related/3/label": "Commutator: <->(lseg,line)", "/versions/16/sections/0/title": "Catalog interpretation", "/versions/16/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 38.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "916eb7f6ca173da5238e52e39a93153ef683c33f5686208a3794f64822d21d5c"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}, "17": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=17", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=17", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=17", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=17", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "17.11", "major": "17", "channel": "stable", "revision": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979", "source_sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979", "manual_fingerprint": "b55870f8e80e1114a92ac7bfc97f4a6fa0dee8e75935895252bb6e5b866cf187", "catalog_fingerprint": "e888e3474202df1c60a8e7b6bf9f2d83b3866a52d119521659b7a82787d3829d"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v17.11/postgresql-17.11.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979"}, {"url": "https://pg.center/docs/17/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 17 English manual: catalog-pg-operator.html", "sha256": "a66984c4fde91649a9677d33a2e002381cb07e99d72ad0971fa3251741030a69", "language": "en", "original_url": "/docs/17/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/17/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 17 English manual: catalog-pg-amop.html", "sha256": "19b2fb110b348860f7fbcb6e0e0544e341f5645113c23f50920a54434d432359", "language": "en", "original_url": "/docs/17/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/17/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "f83afaba592d4bb686da0579943b49e4c821b3df0a02b82c5fab86e1d168a26e", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/17/description/0": "distance between", "/versions/17/facts/0/label": "Left operand", "/versions/17/facts/1/label": "Right operand", "/versions/17/facts/2/label": "Result type", "/versions/17/facts/3/label": "Implementing function", "/versions/17/facts/4/label": "Operator kind", "/versions/17/facts/5/label": "Hash join candidate", "/versions/17/facts/5/value": "no", "/versions/17/facts/6/label": "Merge join candidate", "/versions/17/facts/6/value": "no", "/versions/17/related/0/label": "line data type", "/versions/17/related/1/label": "lseg data type", "/versions/17/related/2/label": "float8 data type", "/versions/17/related/3/label": "Commutator: <->(lseg,line)", "/versions/17/sections/0/title": "Catalog interpretation", "/versions/17/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "893ea1c0ea817664354da8e09a9f7d68c68a89a02b683da6edce8bea8712802a"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}, "18": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=18", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=18", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=18", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=18", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "manual_fingerprint": "fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc", "catalog_fingerprint": "deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "https://pg.center/docs/18/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 18 English manual: catalog-pg-operator.html", "sha256": "e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6", "language": "en", "original_url": "/docs/18/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/18/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 18 English manual: catalog-pg-amop.html", "sha256": "e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1", "language": "en", "original_url": "/docs/18/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/18/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "distance between", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/related/0/label": "line data type", "/versions/18/related/1/label": "lseg data type", "/versions/18/related/2/label": "float8 data type", "/versions/18/related/3/label": "Commutator: <->(lseg,line)", "/versions/18/sections/0/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "5b0f4ac8a0804063eb4f599bab25c3daddae70139f76d5a832b4e53bb7e4cccc"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}, "19": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=19", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=19", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=19", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=19", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "label": "19beta4", "major": "19", "channel": "preview", "revision": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86", "source_sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86", "manual_fingerprint": "d1c30d7808d3ae2edc8773a0dd66f7beb5861e8939001e171c1908f7a09bb497", "catalog_fingerprint": "9af4323d0c8ed03d0e795331930bd14ce9bf6193c6b766c463b9f6ec0829409a"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v19beta4/postgresql-19beta4.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "83157ee9c599d03b2f7a3d73ef3a56ec24e0e79cc2b3501a64d1364f56398c86"}, {"url": "https://pg.center/docs/19/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 19 English manual: catalog-pg-operator.html", "sha256": "fa89c3d5f2ba2adfe53192fd39c819efc78a22998994feed5fd4239bedaa938a", "language": "en", "original_url": "/docs/19/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/19/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 19 English manual: catalog-pg-amop.html", "sha256": "711850fdde973fbaf16da94143a2de3b972bed7a3b8663bf80e4aeabaf2f43fe", "language": "en", "original_url": "/docs/19/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/19/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "9debafecc544409918e14c4ab4498c5b52d41808968dccb8a5874794ef8e4ac1", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/19/description/0": "distance between", "/versions/19/facts/0/label": "Left operand", "/versions/19/facts/1/label": "Right operand", "/versions/19/facts/2/label": "Result type", "/versions/19/facts/3/label": "Implementing function", "/versions/19/facts/4/label": "Operator kind", "/versions/19/facts/5/label": "Hash join candidate", "/versions/19/facts/5/value": "no", "/versions/19/facts/6/label": "Merge join candidate", "/versions/19/facts/6/value": "no", "/versions/19/related/0/label": "line data type", "/versions/19/related/1/label": "lseg data type", "/versions/19/related/2/label": "float8 data type", "/versions/19/related/3/label": "Commutator: <->(lseg,line)", "/versions/19/sections/0/title": "Catalog interpretation", "/versions/19/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "203b89295e531da4fb470c1c60132dfbb812e32ece03f073db73d0c4a81f7d78"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}, "20": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=20", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=20", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=20", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=20", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "20devel", "major": "20", "channel": "devel", "revision": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41", "source_sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41", "manual_fingerprint": "48fb9e20e9e1454fe93d367e75b949833c82c1c52c2b69314dfffe1c464f3f39", "catalog_fingerprint": "cc1a474e972c8c342cf17f37e2884c56cc4b114cb59407b0180e99cdcfffa5c5", "source_snapshot_utc": "26-Sep-2026 20:22"}, "sources": [{"url": "https://ftp.postgresql.org/pub/snapshot/dev/postgresql-snapshot.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "4d3346909b201ac1648232cf290462a7070c119326f56196f1f0253ed80fae41"}, {"url": "https://pg.center/docs/devel/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 20 English manual: catalog-pg-operator.html", "sha256": "b8882bb8329f1659f719eb9397246146135c228892834fbd29325ed3030f17cb", "language": "en", "original_url": "/docs/devel/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/devel/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 20 English manual: catalog-pg-amop.html", "sha256": "00fee8a631088b687e2d880e4091791ca30f9c69fca888c51ece463d1b9e1e61", "language": "en", "original_url": "/docs/devel/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/devel/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "573e7b9d66caef244b2c03df37b3c4b39b92c1b0e7f32fa8bd3e09d17d5591be", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/summary": "distance between", "/category": "Geometric", "/versions/20/description/0": "distance between", "/versions/20/facts/0/label": "Left operand", "/versions/20/facts/1/label": "Right operand", "/versions/20/facts/2/label": "Result type", "/versions/20/facts/3/label": "Implementing function", "/versions/20/facts/4/label": "Operator kind", "/versions/20/facts/5/label": "Hash join candidate", "/versions/20/facts/5/value": "no", "/versions/20/facts/6/label": "Merge join candidate", "/versions/20/facts/6/value": "no", "/versions/20/related/0/label": "line data type", "/versions/20/related/1/label": "lseg data type", "/versions/20/related/2/label": "float8 data type", "/versions/20/related/3/label": "Commutator: <->(lseg,line)", "/versions/20/sections/0/title": "Catalog interpretation", "/versions/20/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "09ebb83863530b53e91488c3697b6d97e9bcc8d28bf99b700eebd0d366e3cc23"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}}}, "snapshot": {"facts": [{"label": "\u5de6\u64cd\u4f5c\u6570", "value": "line"}, {"label": "\u53f3\u64cd\u4f5c\u6570", "value": "lseg"}, {"label": "\u8fd4\u56de\u7c7b\u578b", "value": "float8"}, {"label": "\u5b9e\u73b0\u51fd\u6570", "value": "dist_ls(line,lseg)"}, {"label": "\u64cd\u4f5c\u7b26\u79cd\u7c7b", "value": "Binary"}, {"label": "\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5", "value": "\u5426"}, {"label": "\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5", "value": "\u5426"}], "tables": [], "aliases": ["<->", "<->(line,lseg)"], "related": [{"url": "/wiki/type/line/?v=18", "label": "line \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/lseg/?v=18", "label": "lseg \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/type/float8/?v=18", "label": "float8 \u6570\u636e\u7c7b\u578b"}, {"url": "/wiki/operator/op-3c2d3e-lseg-line/?v=18", "label": "\u4ea4\u6362\u64cd\u4f5c\u7b26\uff1a<->(lseg,line)"}], "release": {"ref": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "18.6", "major": "18", "channel": "stable", "revision": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "source_sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f", "manual_fingerprint": "fefce9e478eb2afe5e17e869492bbedc67dce23d317f0a5257240113d6496ebc", "catalog_fingerprint": "deec62e0f0c649d9d0d058ddd0b16bf41afffd569c3fd73949ff0971ce5cabd6"}, "sources": [{"url": "https://ftp.postgresql.org/pub/source/v18.6/postgresql-18.6.tar.bz2", "label": "Matching PostgreSQL source archive", "sha256": "555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f"}, {"url": "https://pg.center/docs/18/catalog-pg-operator.html", "path": "catalog-pg-operator.html", "label": "PostgreSQL 18 English manual: catalog-pg-operator.html", "sha256": "e0b1817914e5e8f9037955cd41e9a43584e9227fcc115784898ecdd9a6c0ecd6", "language": "en", "original_url": "/docs/18/catalog-pg-operator.html"}, {"url": "https://pg.center/docs/18/catalog-pg-amop.html", "path": "catalog-pg-amop.html", "label": "PostgreSQL 18 English manual: catalog-pg-amop.html", "sha256": "e65b90ee78eaf4b4da97ce5b08b972cee2e2660b882ec107be22eca47201f7d1", "language": "en", "original_url": "/docs/18/catalog-pg-amop.html"}], "operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "sections": [{"title": "\u76ee\u5f55\u8bb0\u5f55\u89e3\u8bfb", "paragraphs": ["\u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c \u7b2c 36.14 \u8282 \u3002"]}], "signature": "<->(line,lseg) \u2192 float8", "source_oid": "762", "description": ["\u4e24\u8005\u4e4b\u95f4\u7684\u8ddd\u79bb"], "memberships": [], "localization": {"status": "complete", "sources": [{"url": "/docs/18/catalog-pg-operator.html", "method": "same-major semantic node", "sha256": "7cfcd945bbbd55377dea8d4bd57380014caceb4e83c5db3be16c23eb5991d68f", "language": "zh", "matched_nodes": ["#CATALOG-PG-OPERATOR/p[2]"]}], "language": "zh", "original_text": {"/versions/18/description/0": "distance between", "/versions/18/facts/0/label": "Left operand", "/versions/18/facts/1/label": "Right operand", "/versions/18/facts/2/label": "Result type", "/versions/18/facts/3/label": "Implementing function", "/versions/18/facts/4/label": "Operator kind", "/versions/18/facts/5/label": "Hash join candidate", "/versions/18/facts/5/value": "no", "/versions/18/facts/6/label": "Merge join candidate", "/versions/18/facts/6/value": "no", "/versions/18/related/0/label": "line data type", "/versions/18/related/1/label": "lseg data type", "/versions/18/related/2/label": "float8 data type", "/versions/18/related/3/label": "Commutator: <->(lseg,line)", "/versions/18/sections/0/title": "Catalog interpretation", "/versions/18/sections/0/paragraphs/0": "The catalog pg_operator stores information about operators. See CREATE OPERATOR and Section 36.14 for more information."}, "fallback_fields": [], "source_language": "en", "original_snapshot_sha256": "5b0f4ac8a0804063eb4f599bab25c3daddae70139f76d5a832b4e53bb7e4cccc"}, "comparison_data": {"operator": {"kind": "b", "symbol": "<->", "negator": "", "function": "dist_ls(line,lseg)", "hash_join": "f", "left_type": "line", "commutator": "<->(lseg,line)", "merge_join": "f", "right_type": "lseg", "result_type": "float8"}, "memberships": []}, "comparison_hash": "3f8a16fc35ade34ebdbfc2954acd012d8d52120c4ebbcd0457a7343b12d75297", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed"}, "comparison": {"left": "12", "right": "13", "status": "added", "diff": "--- PostgreSQL 12\n+++ PostgreSQL 13\n@@ -1 +1,15 @@\n-\u8be5\u7248\u672a\u6536\u5f55\n+{\n+  \"memberships\": [],\n+  \"operator\": {\n+    \"commutator\": \"<->(lseg,line)\",\n+    \"function\": \"dist_ls(line,lseg)\",\n+    \"hash_join\": \"f\",\n+    \"kind\": \"b\",\n+    \"left_type\": \"line\",\n+    \"merge_join\": \"f\",\n+    \"negator\": \"\",\n+    \"result_type\": \"float8\",\n+    \"right_type\": \"lseg\",\n+    \"symbol\": \"<->\"\n+  }\n+}"}}