datepart function reimplementation (#1959)

PR implements fix for low performance with function sys. datepart_internal by re-implement in C Signed-off-by: Parikshit Sarode <[email protected]> Co-authored-by: Parikshit Sarode <[email protected]>
babelfish-for-postgresql · Jan 9, 2024 · 4ba78ca · 4ba78ca
1 parent 4eee4f6
commit 4ba78ca
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Showing 12 changed files with 9,631 additions and 214 deletions.
diff --git a/contrib/babelfishpg_common/src/babelfishpg_common.c b/contrib/babelfishpg_common/src/babelfishpg_common.c
@@ -189,6 +189,7 @@ get_common_utility_plugin(void)
 		common_utility_plugin_var.datetime_in_str = &datetime_in_str;
 		common_utility_plugin_var.datetime2sqlvariant = &datetime2sqlvariant;
 		common_utility_plugin_var.timestamp_datetimeoffset = &timestamp_datetimeoffset;
+		common_utility_plugin_var.datetimeoffset_timestamp = &datetimeoffset_timestamp;
 		common_utility_plugin_var.tinyint2sqlvariant = &tinyint2sqlvariant;
 		common_utility_plugin_var.translate_pg_type_to_tsql = &translate_pg_type_to_tsql;
 		common_utility_plugin_var.get_tsql_datatype_oid = &get_tsql_datatype_oid;

diff --git a/contrib/babelfishpg_common/src/babelfishpg_common.h b/contrib/babelfishpg_common/src/babelfishpg_common.h
@@ -54,6 +54,7 @@ typedef struct common_utility_plugin
 	Datum		(*datetime_in_str) (char *str, Node *escontext);
 	Datum		(*datetime2sqlvariant) (PG_FUNCTION_ARGS);
 	Datum		(*timestamp_datetimeoffset) (PG_FUNCTION_ARGS);
+	Datum		(*datetimeoffset_timestamp) (PG_FUNCTION_ARGS);
 	Datum		(*tinyint2sqlvariant) (PG_FUNCTION_ARGS);
 	Datum		(*translate_pg_type_to_tsql) (PG_FUNCTION_ARGS);
 	Oid		(*get_tsql_datatype_oid) (char *type_name);

diff --git a/contrib/babelfishpg_common/src/datetimeoffset.h b/contrib/babelfishpg_common/src/datetimeoffset.h
@@ -24,6 +24,7 @@ extern void CheckSmalldatetimeRange(const Timestamp time, Node *escontext);
 extern void CheckDatetimeRange(const Timestamp time, Node *escontext);
 extern void CheckDatetime2Range(const Timestamp time, Node *escontext);
 extern Datum timestamp_datetimeoffset(PG_FUNCTION_ARGS);
+extern Datum datetimeoffset_timestamp(PG_FUNCTION_ARGS);
 typedef struct tsql_datetimeoffset
 {
 	int64		tsql_ts;