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31f3817402
Extends the COPY FROM command with a WHERE condition, which allows doing various types of filtering while importing the data (random sampling, condition on a data column, etc.). Until now such filtering required either preprocessing of the input data, or importing all data and then filtering in the database. COPY FROM ... WHERE is an easy-to-use and low-overhead alternative for most simple cases. Author: Surafel Temesgen Reviewed-by: Tomas Vondra, Masahiko Sawada, Lim Myungkyu Discussion: https://www.postgresql.org/message-id/flat/CALAY4q_DdpWDuB5-Zyi-oTtO2uSk8pmy+dupiRe3AvAc++1imA@mail.gmail.com |
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| .. | ||
| bitmapset.h | ||
| execnodes.h | ||
| extensible.h | ||
| lockoptions.h | ||
| makefuncs.h | ||
| memnodes.h | ||
| nodeFuncs.h | ||
| nodes.h | ||
| params.h | ||
| parsenodes.h | ||
| pg_list.h | ||
| plannodes.h | ||
| primnodes.h | ||
| print.h | ||
| readfuncs.h | ||
| relation.h | ||
| replnodes.h | ||
| tidbitmap.h | ||
| value.h | ||