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Revert "Add DECLARE STATEMENT support to ECPG."

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This reverts commit bd7c95f0c1,
along with assorted follow-on fixes.  There are some questions
about the definition and implementation of that statement, and
we don't have time to resolve them before v13 release.  Rather
than ship the feature and then have backwards-compatibility
concerns constraining any redesign, let's remove it for now
and try again later.

Discussion: https://postgr.es/m/TY2PR01MB2443EC8286995378AEB7D9F8F5B10@TY2PR01MB2443.jpnprd01.prod.outlook.com
This commit is contained in:
Tom Lane
2019-09-20 12:47:21 -04:00
parent d1b0007639
commit 96b6c82c9d
45 changed files with 172 additions and 2360 deletions
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21
src/interfaces/ecpg/ecpglib/ecpglib_extern.h
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@ -88,15 +88,6 @@ struct statement
PGresult *results;
};
/* structure to store declared statements */
struct declared_statement
{
char *name; /* declared name */
char *connection_name;
char *cursor_name;
struct declared_statement *next;
};
/* structure to store prepared statements for a connection */
struct prepared_statement
{
@ -106,12 +97,6 @@ struct prepared_statement
struct prepared_statement *next;
};
struct cursor_statement
{
char *name; /* cursor name */
struct cursor_statement *next;
};
/* structure to store connections */
struct connection
{
@ -120,7 +105,6 @@ struct connection
bool autocommit;
struct ECPGtype_information_cache *cache_head;
struct prepared_statement *prep_stmts;
struct cursor_statement *cursor_stmts;
struct connection *next;
};
@ -202,11 +186,6 @@ struct descriptor *ecpg_find_desc(int line, const char *name);
struct prepared_statement *ecpg_find_prepared_statement(const char *,
struct connection *, struct prepared_statement **);
void ecpg_update_declare_statement(const char *, const char *, const int);
char *ecpg_get_con_name_by_declared_name(const char *);
const char *ecpg_get_con_name_by_cursor_name(const char *);
void ecpg_release_declared_statement(const char *);
bool ecpg_store_result(const PGresult *results, int act_field,
const struct statement *stmt, struct variable *var);
bool ecpg_store_input(const int, const bool, const struct variable *, char **, bool);