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b
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##
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close_lb(line,box)
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line
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\u5426
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box
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point

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point

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\u79cd\u7c7b
b
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##
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close_lb(line,box)
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\u5426
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\u5426
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box
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point

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
\u5b9e\u73b0\u51fd\u6570
close_lb(line,box)
\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5
\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.13\u00a0\u8282\u3002\n

\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
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close_lb(line,box)
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\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
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\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.13\u00a0\u8282\u3002\n

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\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
\u5b9e\u73b0\u51fd\u6570
close_lb(line,box)
\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5
\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.13\u00a0\u8282\u3002\n

\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

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"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"]}], "description_zh": "B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002", "description_zh_html": "

B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
\u5b9e\u73b0\u51fd\u6570
close_lb(line,box)
\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5
\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n

\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
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close_lb(line,box)
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\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n

\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
\u5b9e\u73b0\u51fd\u6570
close_lb(line,box)
\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5
\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n

\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
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close_lb(line,box)
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\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
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point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n

\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
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##
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close_lb(line,box)
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\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
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\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
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point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

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\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
\u5b9e\u73b0\u51fd\u6570
close_lb(line,box)
\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5
\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a037.14\u00a0\u8282\u3002\n

\u672a\u4f7f\u7528\u7684\u5217\u5305\u542b\u96f6\u3002\u4f8b\u5982\uff0c\u524d\u7f00\u64cd\u4f5c\u7b26\u7684 oprleft \u4e3a\u96f6\u3002

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

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B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
\u5b9e\u73b0\u51fd\u6570
close_lb(line,box)
\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5
\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.14\u00a0\u8282\u3002\n

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

"}, "summary": "B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002", "version": "14", "link_map": {"/zh/docs/14/xoper.html": "/docs/14/xoper.html", "/zh/docs/14/sql-createoperator.html": "/docs/14/sql-createoperator.html", "/zh/docs/14/catalog-pg-operator.html": "/docs/14/catalog-pg-operator.html"}, "body_html": "

B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
\u5b9e\u73b0\u51fd\u6570
close_lb(line,box)
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\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.14\u00a0\u8282\u3002\n

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

", "body_sha256": "29fb3f31aae34d52743b5136942c34d7751fc166c63d6609209626277246f0c4", "content_hash": "e117ed609f0e82578c176a6d976fff91941a2f64ab7655954ad549077a8f6985", "source_database": "center", "source_revision": "a7fa7ed3d558172355f51406097a7bd4f6b473be80f311ef7cda96bf383d8897"}, "signature": "##(line,box) \u2192 point", "tables_zh": [], "source_oid": "1568", "description": ["B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002"], "memberships": [], "sections_zh": [{"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"]}], "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": {"/summary": "closest point to A on B", "/category": "Geometric", "/versions/14/description/0": "closest point to A on B", "/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": "box data type", "/versions/14/related/2/label": "point data type", "/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": "837799897e663cf0fbdbeabb4345ce1f377837300c1176019ac3aa3535e87315", "canonical_center_text_hash": "e117ed609f0e82578c176a6d976fff91941a2f64ab7655954ad549077a8f6985"}, "description_zh": "B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002", "comparison_data": {"operator": {"kind": "b", "symbol": "##", "negator": "", "function": "close_lb(line,box)", "hash_join": "f", "left_type": "line", "commutator": "", "merge_join": "f", "right_type": "box", "result_type": "point"}, "memberships": []}, "comparison_hash": "1e6ded55d8a1ce3c411a97dc1a3f60dae02021df99f0ffe92b3d75b43af7b18c", "manual_language": "zh", "manual_semantics": "Source catalog description; no additional matching manual operator definition claimed", "description_zh_html": "

B \u4e0a\u8ddd\u79bb A \u6700\u8fd1\u7684\u70b9\u3002

\u79cd\u7c7b
b
\u7b26\u53f7
##
\u5b9e\u73b0\u51fd\u6570
close_lb(line,box)
\u53ef\u7528\u4e8e\u54c8\u5e0c\u8fde\u63a5
\u5426
\u5de6\u64cd\u4f5c\u6570\u7c7b\u578b
line
\u53ef\u7528\u4e8e\u5f52\u5e76\u8fde\u63a5
\u5426
\u53f3\u64cd\u4f5c\u6570\u7c7b\u578b
box
\u7ed3\u679c\u7c7b\u578b
point

\u540c\u7248\u672c\u4e2d\u6587\u624b\u518c\u8282\u9009

\n \u76ee\u5f55 pg_operator \u5b58\u50a8\u5173\u4e8e\u64cd\u4f5c\u7b26\u7684\u4fe1\u606f\u3002\u8be6\u89c1 CREATE OPERATOR \u548c\u7b2c\u00a038.14\u00a0\u8282\u3002\n

\u67e5\u770b\u5b8c\u6574\u4e2d\u6587\u624b\u518c\u4e0e\u4e0a\u4e0b\u6587\u3002

\u672c\u9875\u5f00\u5934\u7684\u4e2d\u6587\u8bf4\u660e\u4e3a PG.CENTER \u5bf9\u6e90\u7801\u8bf4\u660e\u7684\u7ffb\u8bd1\uff1b\u624b\u518c\u8282\u9009\u4fdd\u7559\u5bf9\u5e94\u7248\u672c\u4e2d\u6587\u6587\u6863\u539f\u6587\u3002\u6e90\u7801\u4fe1\u606f\u53ca\u624b\u518c\u793a\u4f8b\u4e0d\u4ee3\u8868\u91cd\u65b0\u8fdb\u884c\u8fc7\u8fd0\u884c\u6d4b\u8bd5\u3002

"}}}, "snapshot": null, "comparison": {"left": "17", "right": "18", "status": "unchanged", "diff": ""}}