>> >after. SQL is case-insensitive when double quotes are not used; >> >your second example (select * from LOCATION) gets translated to lower-case >> >immediately, which is why you don't get a match on it. This is correct >> >behaviour. >> > >> >Best to avoid case-sensitive ...
In addition we’ve also revamped the detail pages of queries, tables, indices and config settings to match the new style: Improved Check-Up: Config Settings When working with other people's PostgreSQL databases, we’ve seen a lot of things, from fsync=off (which you really only want if ...
Appendix C.SQL 关键字 Table C-1列出了所由在 SQL 标准和PostgreSQL 8.1 里是关键字的记号。 你可以在Section 4.1.1里找到相关的背景信息。 SQL 里有保留字(保留)和非保留字之分。根据标准, 保留字是那些真正的关键字;我们决不能用它们做标识符。 非保留字只是在特定的环境里有特殊的含义,而在其它环境里...
CREATE OR REPLACE FUNCTION ci_caseinsmatch(varchar, varchar) RETURNS boolean AS $$ SELECT UPPER($1)::text = UPPER($2)::text; $$ LANGUAGE sql IMMUTABLE STRICT; CREATE OPERATOR = ( PROCEDURE = ci_caseinsmatch, LEFTARG = varchar, RIGHTARG = varchar, COMMUTATOR = =, NEGATOR = <> ); ...
Now, the query is back to returning 8 names in about 1ms again, but is fully case-insensitive. Levenshtein Matching So far, our imaginary user has been very good at entering data that match the database. But what if they are looking for "Robert Harrington" and type in "Robert Harington...
Now, the query is back to returning 8 names in about 1ms again, but is fully case-insensitive. Levenshtein Matching So far, our imaginary user has been very good at entering data that match the database. But what if they are looking for "Robert Harrington" and type in "Robert Harington...
pattern. If there is a match, the source string is returned with the replacement string substituted for the matching substring. The replacement string can contain \n, where n is 1 through 9, to indicate that the source substring matching the n'th parenthesized ...
The CASE sensitivity thing. Lack of In place upgrade for medium to major upgrades. Windowing functions - As Joshua Drake mentioned inPostgreSQL at Southern California Linux Expo. This will be a nice feature and looks like it might make it into 8.4, but frankly it is not something most people...
To call Postgres functions onRead Replicas, use theget: trueoption. Parameters fn (Required) The function name to call args (Required) The arguments to pass to the function call options (Required) Named parameters Examples Call a Postgres function without arguments ...
1 master + 1 primary + 1 mirror 1. 数据库版本: PostgreSQL 8.2.15 (Greenplum Database 4.3.25.1 build 1) 1. psql帮助手册指南: testdb=# \? General \copyright show PostgreSQL usage and distribution terms \g [FILE] or ; execute query (and send results to file or |pipe) ...