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postgresql/src/backend/parser
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Heikki Linnakangas dbdf9679d7 Use correct text domain for translating errcontext() messages. 
errcontext() is typically used in an error context callback function, not
within an ereport() invocation like e.g errmsg and errdetail are. That means
that the message domain that the TEXTDOMAIN magic in ereport() determines
is not the right one for the errcontext() calls. The message domain needs to
be determined by the C file containing the errcontext() call, not the file
containing the ereport() call.

Fix by turning errcontext() into a macro that passes the TEXTDOMAIN to use
for the errcontext message. "errcontext" was used in a few places as a
variable or struct field name, I had to rename those out of the way, now
that errcontext is a macro.

We've had this problem all along, but this isn't doesn't seem worth
backporting. It's a fairly minor issue, and turning errcontext from a
function to a macro requires at least a recompile of any external code that
calls errcontext().
 		2012-11-12 17:07:29 +02:00
..
.gitignore Convert cvsignore to gitignore, and add .gitignore for build targets. 2010-09-22 12:57:04 +02:00
Makefile Refactor flex and bison make rules 2012-10-11 06:57:04 -04:00
README Revise collation derivation method and expression-tree representation. 2011-03-19 20:30:08 -04:00
analyze.c Check for stack overflow in transformSetOperationTree(). 2012-11-11 19:56:10 -05:00
check_keywords.pl Run check_keywords.pl anytime gram.c is rebuilt. 2012-09-26 23:12:39 -04:00
gram.y Fix parse location tracking for lists that can be empty. 2012-10-04 17:15:29 -04:00
keywords.c Update copyright notices for year 2012. 2012-01-01 18:01:58 -05:00
kwlookup.c Update copyright notices for year 2012. 2012-01-01 18:01:58 -05:00
parse_agg.c Get rid of COERCE_DONTCARE. 2012-10-12 13:35:00 -04:00
parse_clause.c Centralize the logic for detecting misplaced aggregates, window funcs, etc. 2012-08-10 11:36:15 -04:00
parse_coerce.c Split tuple struct defs from htup.h to htup_details.h 2012-08-30 16:52:35 -04:00
parse_collate.c Lots of doc corrections. 2012-04-23 22:43:09 -04:00
parse_cte.c Fix WITH attached to a nested set operation (UNION/INTERSECT/EXCEPT). 2012-07-31 17:56:21 -04:00
parse_expr.c Centralize the logic for detecting misplaced aggregates, window funcs, etc. 2012-08-10 11:36:15 -04:00
parse_func.c Split tuple struct defs from htup.h to htup_details.h 2012-08-30 16:52:35 -04:00
parse_node.c Use correct text domain for translating errcontext() messages. 2012-11-12 17:07:29 +02:00
parse_oper.c Split tuple struct defs from htup.h to htup_details.h 2012-08-30 16:52:35 -04:00
parse_param.c Update copyright notices for year 2012. 2012-01-01 18:01:58 -05:00
parse_relation.c Split tuple struct defs from htup.h to htup_details.h 2012-08-30 16:52:35 -04:00
parse_target.c Centralize the logic for detecting misplaced aggregates, window funcs, etc. 2012-08-10 11:36:15 -04:00
parse_type.c Split tuple struct defs from htup.h to htup_details.h 2012-08-30 16:52:35 -04:00
parse_utilcmd.c Split tuple struct defs from htup.h to htup_details.h 2012-08-30 16:52:35 -04:00
parser.c Update copyright notices for year 2012. 2012-01-01 18:01:58 -05:00
scan.l Update copyright notices for year 2012. 2012-01-01 18:01:58 -05:00
scansup.c Properly escape usernames in initdb, so names with single-quotes are 2012-08-15 11:23:15 -04:00

README 

src/backend/parser/README

Parser
======

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
kwlookup.c	turn keywords into specific tokens
keywords.c	table of standard keywords (passed to kwlookup.c)
gram.y		parse the tokens and produce a "raw" parse tree
analyze.c	top level of parse analysis for optimizable queries
parse_agg.c	handle aggregates, like SUM(col1),  AVG(col2), ...
parse_clause.c	handle clauses like WHERE, ORDER BY, GROUP BY, ...
parse_coerce.c	handle coercing expressions to different data types
parse_collate.c	assign collation information in completed expressions
parse_cte.c	handle Common Table Expressions (WITH clauses)
parse_expr.c	handle expressions like col, col + 3, x = 3 or x = 4
parse_func.c	handle functions, table.column and column identifiers
parse_node.c	create nodes for various structures
parse_oper.c	handle operators in expressions
parse_param.c	handle Params (for the cases used in the core backend)
parse_relation.c support routines for tables and column handling
parse_target.c	handle the result list of the query
parse_type.c	support routines for data type handling
parse_utilcmd.c	parse analysis for utility commands (done at execution time)