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postgres/src/backend/parser
History
Bruce Momjian d15c37ca82
Truncate identifiers at NAMEDATALEN length. 		28 years ago
..
Makefile From: t-ishii@sra.co.jp 28 years ago
README cleanup 28 years ago
analyze.c Make attalign match type alignment. 28 years ago
gram.c Fix atttypmod alignment again, and re-enable ecpg. 28 years ago
gram.y Make attalign match type alignment. 28 years ago
keywords.c From: Massimo Dal Zotto <dz@cs.unitn.it> 28 years ago
parse.h Make attalign match type alignment. 28 years ago
parse_agg.c heap_fetch requires buffer pointer, must be released; heap_getnext 28 years ago
parse_clause.c Make sure resdomno for update/insert match attribute number for 28 years ago
parse_coerce.c Include OID as a built-in type. 28 years ago
parse_expr.c Change atttypmod from int16 to int32, for Thomas. 28 years ago
parse_func.c From: Massimo Dal Zotto <dz@cs.unitn.it> 28 years ago
parse_node.c heap_fetch requires buffer pointer, must be released; heap_getnext 28 years ago
parse_oper.c heap_fetch requires buffer pointer, must be released; heap_getnext 28 years ago
parse_relation.c heap_fetch requires buffer pointer, must be released; heap_getnext 28 years ago
parse_target.c Fix for select bug. 28 years ago
parse_type.c heap_fetch requires buffer pointer, must be released; heap_getnext 28 years ago
parser.c Remove un-needed braces around single statements. 28 years ago
scan.c Attached is a patch that uses autoconf to determine whether there 28 years ago
scan.l Truncate identifiers at NAMEDATALEN length. 28 years ago
scansup.c pgindent run before 6.3 release, with Thomas' requested changes. 28 years ago

README 

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

parser.c	things start here
scan.l		break query into tokens
scansup.c	handle escapes in input
keywords.c	turn keywords into specific tokens
gram.y		parse the tokens and fill query-type-specific structures
analyze.c	handle post-parse processing for each query type
parse_clause.c	handle clauses like WHERE, ORDER BY, GROUP BY, ...
parse_coerce.c	used for coercing expressions of different types
parse_expr.c	handle expressions like col, col + 3, x = 3 or x = 4
parse_oper.c	handle operations 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