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Create real array comparison functions (that use the element datatype's

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comparison functions), replacing the highly bogus bitwise array_eq.  Create
a btree index opclass for ANYARRAY --- it is now possible to create indexes
on array columns.
Arrange to cache the results of catalog lookups across multiple array
operations, instead of repeating the lookups on every call.
Add string_to_array and array_to_string functions.
Remove singleton_array, array_accum, array_assign, and array_subscript
functions, since these were for proof-of-concept and not intended to become
supported functions.
Minor adjustments to behavior in some corner cases with empty or
zero-dimensional arrays.

Joe Conway (with some editorializing by Tom Lane).
This commit is contained in:
Tom Lane
2003-06-27 00:33:26 +00:00
parent 0c985ab5a8
commit b3c0551eda
28 changed files with 1731 additions and 557 deletions
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8
src/interfaces/ecpg/preproc/preproc.y
View File

@ -1,4 +1,4 @@
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/Attic/preproc.y,v 1.240 2003/06/26 11:37:05 meskes Exp $ */
/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/Attic/preproc.y,v 1.241 2003/06/27 00:33:26 tgl Exp $ */
/* Copyright comment */
%{
@ -4597,7 +4597,7 @@ type_declaration: S_TYPEDEF
$3.type_enum != ECPGt_char &&
$3.type_enum != ECPGt_unsigned_char &&
atoi(this->type->type_index) >= 0)
mmerror(PARSE_ERROR, ET_ERROR, "No multi-dimensional array support for simple data types");
mmerror(PARSE_ERROR, ET_ERROR, "No multidimensional array support for simple data types");
types = this;
}
@ -5417,7 +5417,7 @@ ECPGTypedef: TYPE_P
$5.type_enum != ECPGt_char &&
$5.type_enum != ECPGt_unsigned_char &&
atoi(this->type->type_index) >= 0)
mmerror(PARSE_ERROR, ET_ERROR, "No multi-dimensional array support for simple data types");
mmerror(PARSE_ERROR, ET_ERROR, "No multidimensional array support for simple data types");
types = this;
}
@ -5484,7 +5484,7 @@ ECPGVar: SQL_VAR
default:
if (atoi(length) >= 0)
mmerror(PARSE_ERROR, ET_ERROR, "No multi-dimensional array support for simple data types");
mmerror(PARSE_ERROR, ET_ERROR, "No multidimensional array support for simple data types");
if (atoi(dimension) < 0)
type = ECPGmake_simple_type($5.type_enum, make_str("1"));

2
src/interfaces/ecpg/preproc/type.c
View File

@ -504,7 +504,7 @@ ECPGfree_type(struct ECPGtype * type)
switch (type->u.element->type)
{
case ECPGt_array:
yyerror("internal error, found multi-dimensional array\n");
yyerror("internal error, found multidimensional array\n");
break;
case ECPGt_struct:
case ECPGt_union:

12
src/interfaces/ecpg/preproc/variable.c
View File

@ -436,7 +436,7 @@ adjust_array(enum ECPGttype type_enum, char **dimension, char **length, char *ty
if (atoi(type_index) >= 0)
{
if (atoi(*length) >= 0)
mmerror(PARSE_ERROR, ET_FATAL, "No multi-dimensional array support");
mmerror(PARSE_ERROR, ET_FATAL, "No multidimensional array support");
*length = type_index;
}
@ -444,7 +444,7 @@ adjust_array(enum ECPGttype type_enum, char **dimension, char **length, char *ty
if (atoi(type_dimension) >= 0)
{
if (atoi(*dimension) >= 0 && atoi(*length) >= 0)
mmerror(PARSE_ERROR, ET_FATAL, "No multi-dimensional array support");
mmerror(PARSE_ERROR, ET_FATAL, "No multidimensional array support");
if (atoi(*dimension) >= 0)
*length = *dimension;
@ -463,10 +463,10 @@ adjust_array(enum ECPGttype type_enum, char **dimension, char **length, char *ty
mmerror(PARSE_ERROR, ET_FATAL, "No pointer to pointer supported for this type");
if (pointer_len > 1 && (atoi(*length) >= 0 || atoi(*dimension) >= 0))
mmerror(PARSE_ERROR, ET_FATAL, "No multi-dimensional array support");
mmerror(PARSE_ERROR, ET_FATAL, "No multidimensional array support");
if (atoi(*length) >= 0 && atoi(*dimension) >= 0 && pointer_len)
mmerror(PARSE_ERROR, ET_FATAL, "No multi-dimensional array support");
mmerror(PARSE_ERROR, ET_FATAL, "No multidimensional array support");
switch (type_enum)
{
@ -480,7 +480,7 @@ adjust_array(enum ECPGttype type_enum, char **dimension, char **length, char *ty
}
if (atoi(*length) >= 0)
mmerror(PARSE_ERROR, ET_FATAL, "No multi-dimensional array support for structures");
mmerror(PARSE_ERROR, ET_FATAL, "No multidimensional array support for structures");
break;
case ECPGt_varchar:
@ -525,7 +525,7 @@ adjust_array(enum ECPGttype type_enum, char **dimension, char **length, char *ty
}
if (atoi(*length) >= 0)
mmerror(PARSE_ERROR, ET_FATAL, "No multi-dimensional array support for simple data types");
mmerror(PARSE_ERROR, ET_FATAL, "No multidimensional array support for simple data types");
break;
}