* for all commandsQuery Buffer \e [FILE] [LINE] edit the query buffer (or file) with external editor \ef [FUNCNAME [LINE]] edit function definition with external editor...Informational (options: S = show system objects, + = additional detail) ...
\e [FILE] [LINE] edit the query buffer (or file) with external editor \ef [FUNCNAME [LINE]] edit function definition with external editor \p show the contents of the query buffer \r reset (clear) the query buffer \s [FILE] display history or save it to file \w FILE write query ...
CREATETABLEfoo (fooidint, foosubidint, fooname text);CREATEFUNCTIONgetfoo(int)RETURNSSETOF fooAS$$SELECT*FROMfooWHEREfooid=$1; $$LANGUAGESQL;SELECT*FROMgetfoo(1)ASt1;SELECT*FROMfooWHEREfoosubidIN(SELECTfoosubidFROMgetfoo(foo.fooid) zWHEREz.fooid=foo.fooid );CREATEVIEWvw_getfooASSELECT...
GET DIAGNOSTICS integer_var = ROW_COUNT; The second method to determine the effects of a command is to check the special variable named FOUND, which is of type boolean. FOUND starts out false within each PL/pgSQLfunction call. It is set by each of the following types of statements: A S...
\ef [FUNCNAME [LINE]] edit function definition with external editor \ev [VIEWNAME [LINE]] edit view definition with external editor \p show the contents of the query buffer \r reset (clear) the query buffer \s [FILE] display history or save it to file ...
一、数据类型转换函数 1、CAST(expression, AS date_type) 将表达式值转换为指定的数据类型。
Description:changethedefinitionofatablespaceSyntax:ALTERTABLESPACEnameRENAMETOnew_nameALTERTABLESPACEnameOWNERTO{new_owner|CURRENT_ROLE|CURRENT_USER|SESSION_USER}ALTERTABLESPACEnameSET(tablespace_option=value[,...])ALTERTABLESPACEnameRESET(tablespace_option[,...])postgres=#altertablespacetest_tbsrenametoprod_...
\ef [FUNCNAME [LINE]] edit function definition with external editor \p show the contents of the query buffer \r reset (clear) the query buffer \s [FILE] display history or save it to file \w FILE write query buffer to file Input/Output \copy ... perform SQL COPY w...
proname as "Function Name", n.nspname as "Schema", pg_get_triggerdef(t.oid) as "Trigger Definition" FROM pg_trigger t JOIN pg_class c ON t.tgrelid = c.oid JOIN pg_namespace n ON c.relnamespace = n.oid JOIN pg_proc p ON t.tgfoid = p.oid ...
perminfo=nsitem->p_perminfo;perminfo->requiredPerms=(is_from?ACL_INSERT:ACL_SELECT);tupDesc=RelationGetDescr(rel);attnums=CopyGetAttnums(tupDesc,rel,stmt->attlist);foreach(cur,attnums){intattno;Bitmapset**bms;attno=lfirst_int(cur)-FirstLowInvalidHeapAttributeNumber;bms=is_from?&perminfo...