pg_catalog | has_schema_privilege | boolean |name, oid, text pg_catalog | has_schema_privilege | boolean |name, text, text pg_catalog | has_schema_privilege | boolean | oid, oid, text pg_catalog | has_schema_privilege | boolean | oid, text pg_catalog | has_schema_privilege | boolea...
也就是说,能够快速列出当前数据库中的各种函数(包括输入类型)非常有帮助。 postgres=# \df List of functions Schema | Name | Result data type | Argument data types | Type ---+---+---+---+--- public | _group_concat | text | text, text | func public | film_in_stock | SETOF intege...
boolean它指定true或false的状态。1字节 5、货币类型 名称描述存储大小范围 money货币金额8字节-92233720368547758.08 至 +92233720368547758.07 备注:保留两位小数,超过位数采用四舍五入法进行截断 6、二进制数据类型 名称描述存储大小 bytea变长的二进制字符串1或4 字节加上实际的二进制字符串 ...
atttypmod | integer | not null attbyval | boolean | not null attstorage | "char" | not null attalign | "char" | not null attnotnull | boolean | not null atthasdef | boolean | not null attisdropped | boolean | not null attislocal | boolean | not null attinhcount | integer | ...
More interestingly, * we can reduce certain boolean expressions even when they contain * non-constant subexpressions: "x OR true" => "true" no matter what * the subexpression x is. (XXX We assume that no such subexpression * will have important side-effects, which is not necessarily a ...
boolean | | | -- 是否为继承表的统计信息(false时表示当前表的统计信息,true时表示包含所有继承表的统计信息) null_frac | real | | | -- 该列空值比例 avg_width | integer | | | -- 该列平均长度 n_distinct | real | | | -- 该列唯一值个数(-1表示唯一,小于1表示占比,大于等于1表示实际...
pldbg_oid_debug |integer| functionoidoid| normalpublic| pldbg_select_frame | breakpoint |sessioninteger, frameinteger| normalpublic| pldbg_set_breakpoint |boolean|sessioninteger, funcoid, linenumberinteger| normalpublic| pldbg_set_global_breakpoint |boolean|sessioninteger, funcoid, linenumber...
boolean| packagetext, nametext, value anynonarray | funcpublic| pgv_exists |boolean| packagetext| funcpublic| pgv_exists |boolean| packagetext, nametext| funcpublic| pgv_free | void | | funcpublic| pgv_get | anyarray | packagetext, nametext, var_type anyarray,strictbooleanDEFAULTtrue| ...
notes boolean boolean n/a bit(1) boolean n/a bit( > 1) , bit varying[(m)] bytes io.debezium.data.bits the length schema parameter contains an integer representing the number of bits. the resulting byte[] will contain the bits in little-endian form and...
boolorbooleanA Boolean is a data type that only has two possible values, usually eithertrueorfalse. bitA bit value type for which you can specify the number of bits per value, from 1 to 64. Date and time types: Data TypeExplanation ...