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path: root/src/backend/utils/adt/tsvector.c
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* Improvements from Heikki Linnakangas <heikki@enterprisedb.com>Teodor Sigaev2007-09-07
| | | | | | | | | | | | | | | | - change the alignment requirement of lexemes in TSVector slightly. Lexeme strings were always padded to 2-byte aligned length to make sure that if there's position array (uint16[]) it has the right alignment. The patch changes that so that the padding is not done when there's no positions. That makes the storage of tsvectors without positions slightly more compact. - added some #include "miscadmin.h" lines I missed in the earlier when I added calls to check_stack_depth(). - Reimplement the send/recv functions, and added a comment above them describing the on-wire format. The CRC is now recalculated in tsquery as well per previous discussion.
* Refactoring by Heikki Linnakangas <heikki@enterprisedb.com> withTeodor Sigaev2007-09-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | small editorization by me - Brake the QueryItem struct into QueryOperator and QueryOperand. Type was really the only common field between them. QueryItem still exists, and is used in the TSQuery struct as before, but it's now a union of the two. Many other changes fell from that, like separation of pushval_asis function into pushValue, pushOperator and pushStop. - Moved some structs that were for internal use only from header files to the right .c-files. - Moved tsvector parser to a new tsvector_parser.c file. Parser code was about half of the size of tsvector.c, it's also used from tsquery.c, and it has some data structures of its own, so it seems better to separate it. Cleaned up the API so that TSVectorParserState is not accessed from outside tsvector_parser.c. - Separated enumerations (#defines, really) used for QueryItem.type field and as return codes from gettoken_query. It was just accidental code sharing. - Removed ParseQueryNode struct used internally by makepol and friends. push*-functions now construct QueryItems directly. - Changed int4 variables to just ints for variables like "i" or "array size", where the storage-size was not significant.
* Fix a small 64-bit problem in tsearch patch.Tom Lane2007-08-21
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* Tsearch2 functionality migrates to core. The bulk of this work is byTom Lane2007-08-21
Oleg Bartunov and Teodor Sigaev, but I did a lot of editorializing, so anything that's broken is probably my fault. Documentation is nonexistent as yet, but let's land the patch so we can get some portability testing done.