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Commit 27ea115

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danolivodanolivo
committed
License fix
1 parent 1ef6dcd commit 27ea115

13 files changed

+156
-57
lines changed

‎aqo.c

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/*
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* aqo.c
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* Adaptive query optimization extension
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/aqo.c
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*/
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#include "aqo.h"
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PG_MODULE_MAGIC;

‎aqo.h

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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* contrib/aqo/aqo.h
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* aqo/aqo.h
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*
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*/
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#ifndef __ML_CARD_H__
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#define __ML_CARD_H__

‎auto_tuning.c

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#include "aqo.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* AUTOMATIC QUERY TUNING
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*
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* This module automatically implements basic strategies of tuning AQO for best
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* PostgreSQL performance.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/auto_tuning.c
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*
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*/
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#include "aqo.h"
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/*
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* Auto tuning criteria criteria of an query convergence by overall cardinality

‎cardinality_estimation.c

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#include "aqo.h"
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#include "optimizer/optimizer.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* CARDINALITY ESTIMATION
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*
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* This is the module in which cardinality estimation problem obtained from
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* cardinality_hooks turns into machine learning problem.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/cardinality_estimation.c
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*
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*/
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#include "aqo.h"
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#include "optimizer/optimizer.h"
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/*
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* General method for prediction the cardinality of given relation.

‎cardinality_hooks.c

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#include "aqo.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* CARDINALITY ESTIMATION HOOKS
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*
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* refusal to predict cardinality. In this case hooks also use default
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* postgreSQL cardinality estimator.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/cardinality_hooks.c
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*
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*/
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#include "aqo.h"
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double predicted_ppi_rows;
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double fss_ppi_hash;

‎hash.c

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#include "aqo.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* HASH FUNCTIONS
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*
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* only in the values of their constants. We want query_hash, clause_hash and
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* fss_hash to satisfy this property.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/hash.c
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*
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*/
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#include "aqo.h"
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static int get_str_hash(const char *str);
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static int get_node_hash(Node *node);

‎machine_learning.c

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#include "aqo.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* MACHINE LEARNING TECHNIQUES
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*
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* setting after learning procedure. This property also allows to adapt to
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* workloads which properties are slowly changed.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/machine_learning.c
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*
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*/
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#include "aqo.h"
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static double fs_distance(double *a, double *b, int len);
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static double fs_similarity(double dist);

‎path_utils.c

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#include "aqo.h"
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#include "optimizer/optimizer.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* EXTRACTING PATH INFORMATION UTILITIES
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/path_utils.c
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*
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*/
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#include "aqo.h"
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#include "optimizer/optimizer.h"
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/*
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* Returns list of marginal selectivities using as an arguments for each clause

‎postprocessing.c

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#include "aqo.h"
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#include "access/parallel.h"
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#include "optimizer/optimizer.h"
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#include "utils/queryenvironment.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* QUERY EXECUTION STATISTICS COLLECTING UTILITIES
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*
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* The module which updates data in the feature space linked with executed query
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* type using obtained query execution statistics.
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* Works only if aqo_learn is on.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/postprocessing.c
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*
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*/
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#include "aqo.h"
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#include "access/parallel.h"
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#include "optimizer/optimizer.h"
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#include "utils/queryenvironment.h"
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typedef struct
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{

‎preprocessing.c

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#include "aqo.h"
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#include "access/parallel.h"
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#include "access/table.h"
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#include "commands/extension.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* QUERY PREPROCESSING HOOKS
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*
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* 4. For given fspace_hash we may use its machine learning settings, but now
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* the machine learning setting are fixed for all feature spaces.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/preprocessing.c
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*
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*/
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#include "aqo.h"
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#include "access/parallel.h"
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#include "access/table.h"
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#include "commands/extension.h"
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static bool isQueryUsingSystemRelation(Query *query);
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static bool isQueryUsingSystemRelation_walker(Node *node, void *context);

‎selectivity_cache.c

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#include "aqo.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* SELECTIVITY CACHE
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*
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* Stores the clause selectivity with the given relids for parametrized
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* clauses, because otherwise it cannot be restored after query execution
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* without PlannerInfo.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/selectivity_cache.c
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*
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*/
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#include "aqo.h"
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typedef struct
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{

‎storage.c

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#include "aqo.h"
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#include "access/heapam.h"
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#include "access/table.h"
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#include "access/tableam.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* STORAGE INTERACTION
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*
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* This module is responsible for interaction with the storage of AQO data.
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* It does not provide information protection from concurrent updates.
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*
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*****************************************************************************/
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/storage.c
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*
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*/
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#include "aqo.h"
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#include "access/heapam.h"
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#include "access/table.h"
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#include "access/tableam.h"
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HTAB *deactivated_queries = NULL;
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‎utils.c

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#include "aqo.h"
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/*****************************************************************************
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/*
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*******************************************************************************
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*
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* UTILITIES
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*
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*******************************************************************************
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*
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* Copyright (c) 2016-2020, Postgres Professional
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*
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* IDENTIFICATION
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* aqo/utils.c
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*
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*/
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#include "aqo.h"
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/* TODO: get rid of those static vars */
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static void *argsort_a;

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