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1 PL/pgSQL Under the Hood This part discusses some implementation details that are frequently important for PL/pgSQL users to know. 1.1 Variable Subst 阅读全文
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Trigger Procedures PL/pgSQL can be used to define trigger procedures on data changes or database events. A trigger procedure is created with the CREAT 阅读全文
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Errors and Messages 1. Reporting Errors and Messages Use the RAISE statement to report messages and raise errors. The level option specifies the error 阅读全文
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Cursors Rather than executing a whole query at once, it is possible to set up a cursor that encapsulates the query, and then read the query result a f 阅读全文