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postgresql/src/backend/parser
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Tom Lane 8a5592daf1 Remove option to change parser of an existing text search configuration. 
This prevents needing to do complex and poorly-defined updates of the
mapping table if the new parser has different token types than the old.
Per discussion.
 		2007-08-22 05:13:50 +00:00
..
.cvsignore Add .cvsignore file so cvs doesn't complain if you have lex/yacc 1999-03-21 02:43:58 +00:00
Makefile Separate parse-analysis for utility commands out of parser/analyze.c 2007-06-23 22:12:52 +00:00
README Separate parse-analysis for utility commands out of parser/analyze.c 2007-06-23 22:12:52 +00:00
analyze.c Separate parse-analysis for utility commands out of parser/analyze.c 2007-06-23 22:12:52 +00:00
gram.y Remove option to change parser of an existing text search configuration. 2007-08-22 05:13:50 +00:00
keywords.c Avoid using TEXT as a Bison symbol, since this provokes warnings on 2007-08-21 15:13:42 +00:00
parse_agg.c Fix up text concatenation so that it accepts all the reasonable cases that 2007-06-06 23:00:50 +00:00
parse_clause.c Separate parse-analysis for utility commands out of parser/analyze.c 2007-06-23 22:12:52 +00:00
parse_coerce.c Tsearch2 functionality migrates to core. The bulk of this work is by 2007-08-21 01:11:32 +00:00
parse_expr.c Separate parse-analysis for utility commands out of parser/analyze.c 2007-06-23 22:12:52 +00:00
parse_func.c Fix up text concatenation so that it accepts all the reasonable cases that 2007-06-06 23:00:50 +00:00
parse_node.c Separate parse-analysis for utility commands out of parser/analyze.c 2007-06-23 22:12:52 +00:00
parse_oper.c Support enum data types. Along the way, use macros for the values of 2007-04-02 03:49:42 +00:00
parse_relation.c Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00
parse_target.c Implement XMLSERIALIZE for real. Analogously, make the xml to text cast 2007-02-03 14:06:56 +00:00
parse_type.c Tweak the API for per-datatype typmodin functions so that they are passed 2007-06-15 20:56:52 +00:00
parse_utilcmd.c Implement CREATE TABLE LIKE ... INCLUDING INDEXES. Patch from NikhilS, 2007-07-17 05:02:03 +00:00
parser.c Support ORDER BY ... NULLS FIRST/LAST, and add ASC/DESC/NULLS FIRST/NULLS LAST 2007-01-09 02:14:16 +00:00
scan.l Increase the initial size of StringInfo buffers to 1024 bytes (from 256); 2007-08-12 20:18:06 +00:00
scansup.c Update CVS HEAD for 2007 copyright. Back branches are typically not 2007-01-05 22:20:05 +00:00

README 

This directory does more than tokenize and parse SQL queries.  It also
creates Query structures for the various complex queries that are passed
to the optimizer and then executor.

parser.c	things start here
scan.l		break query into tokens
scansup.c	handle escapes in input strings
keywords.c	turn keywords into specific tokens
gram.y		parse the tokens and fill query-type-specific structures
analyze.c	top level of parse analysis for optimizable queries
parse_clause.c	handle clauses like WHERE, ORDER BY, GROUP BY, ...
parse_coerce.c	handle coercing expressions to different types
parse_expr.c	handle expressions like col, col + 3, x = 3 or x = 4
parse_oper.c	handle operators in expressions
parse_agg.c	handle aggregates, like SUM(col1),  AVG(col2), ...
parse_func.c	handle functions, table.column and column identifiers
parse_node.c	create nodes for various structures
parse_target.c	handle the result list of the query
parse_relation.c support routines for tables and column handling
parse_type.c	support routines for type handling
parse_utilcmd.c	parse analysis for utility commands (done at execution time)