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Commit1fb13a5

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Adapt AQO extension for feature-freezed PostgreSQL v.12
Because of changes in PostgreSQL heap access methods, this version of extension not backward compatible.In addition, we fix the bug on updating aqo_* relations.
1 parentae85caf commit1fb13a5

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7 files changed

+1242
-88
lines changed

7 files changed

+1242
-88
lines changed

‎aqo.c‎

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@@ -55,6 +55,9 @@ doublelog_selectivity_lower_bound = -30;
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*/
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MemoryContextAQOMemoryContext;
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QueryContextDataquery_context;
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/* Additional plan info */
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intnjoins;
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char*query_text=NULL;
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/* Saved hook values */

‎aqo.h‎

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@@ -226,6 +226,8 @@ extern intauto_tuning_max_iterations;
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externintauto_tuning_infinite_loop;
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/* Machine learning parameters */
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/* Max number of matrix rows - max number of possible neighbors. */
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#defineaqo_K(30)
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externconstdoubleobject_selection_prediction_threshold;
@@ -236,6 +238,7 @@ extern double log_selectivity_lower_bound;
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/* Parameters for current query */
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externQueryContextDataquery_context;
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externintnjoins;
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externchar*query_text;
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/* Memory context for long-live data */
@@ -298,7 +301,8 @@ PlannedStmt *aqo_planner(Query *parse,
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ParamListInfoboundParams);
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voidprint_into_explain(PlannedStmt*plannedstmt,IntoClause*into,
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ExplainState*es,constchar*queryString,
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ParamListInfoparams,constinstr_time*planduration);
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ParamListInfoparams,constinstr_time*planduration,
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QueryEnvironment*queryEnv);
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voiddisable_aqo_for_query(void);
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/* Cardinality estimation hooks */

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