Tips N’ Tricks – looking for value in all columns of a table
Every so often you might need to find a value regardless of which column it's in. Of course not in application code, as this would be very slow. But you might be in situation where you just don't know...
View ArticleWaiting for 9.5 – Implement UPDATE tab SET (col1,col2,…) = (SELECT …), …
On 18th of June, Tom Lane committed patch: Implement UPDATE tab SET (col1,col2,...) = (SELECT ...), ... This SQL-standard feature allows a sub-SELECT yielding multiple columns (but only one row) to...
View ArticleTips N’ Tricks – looking for value in all columns of a table
Every so often you might need to find a value regardless of which column it's in. Of course not in application code, as this would be very slow. But you might be in situation where you just don't know...
View ArticleWaiting for 9.5 – Implement UPDATE tab SET (col1,col2,…) = (SELECT …), …
On 18th of June, Tom Lane committed patch: Implement UPDATE tab SET (col1,col2,...) = (SELECT ...), ... This SQL-standard feature allows a sub-SELECT yielding multiple columns (but only one row) to...
View Article