Columnar: clean up old references to cstore.

pull/4564/head
Jeff Davis 2021-01-22 10:45:32 -08:00 committed by Jeff Davis
parent 941c8fbf32
commit 53f7b019d5
22 changed files with 124 additions and 138 deletions

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@ -1,6 +1,6 @@
/*-------------------------------------------------------------------------
*
* cstore.c
* columnar.c
*
* This file contains...
*
@ -21,7 +21,7 @@
#include "utils/rel.h"
#include "citus_version.h"
#include "columnar/cstore.h"
#include "columnar/columnar.h"
/* Default values for option parameters */
#define DEFAULT_STRIPE_ROW_COUNT 150000
@ -57,7 +57,7 @@ void
columnar_init_gucs()
{
DefineCustomEnumVariable("columnar.compression",
"Compression type for cstore.",
"Compression type for columnar.",
NULL,
&columnar_compression,
DEFAULT_COMPRESSION_TYPE,

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@ -1,9 +1,9 @@
/*-------------------------------------------------------------------------
*
* cstore_compression.c
* columnar_compression.c
*
* This file contains compression/decompression functions definitions
* used in cstore_fdw.
* used for columnar.
*
* Copyright (c) 2016, Citus Data, Inc.
*
@ -14,7 +14,7 @@
#include "postgres.h"
#include "citus_version.h"
#include "columnar/cstore.h"
#include "columnar/columnar.h"
#include "common/pg_lzcompress.h"
#if HAVE_LIBLZ4
@ -29,21 +29,22 @@
* The information at the start of the compressed data. This decription is taken
* from pg_lzcompress in pre-9.5 version of PostgreSQL.
*/
typedef struct CStoreCompressHeader
typedef struct ColumnarCompressHeader
{
int32 vl_len_; /* varlena header (do not touch directly!) */
int32 rawsize;
} CStoreCompressHeader;
} ColumnarCompressHeader;
/*
* Utilities for manipulation of header information for compressed data
*/
#define CSTORE_COMPRESS_HDRSZ ((int32) sizeof(CStoreCompressHeader))
#define CSTORE_COMPRESS_RAWSIZE(ptr) (((CStoreCompressHeader *) (ptr))->rawsize)
#define CSTORE_COMPRESS_RAWDATA(ptr) (((char *) (ptr)) + CSTORE_COMPRESS_HDRSZ)
#define CSTORE_COMPRESS_SET_RAWSIZE(ptr, len) (((CStoreCompressHeader *) (ptr))->rawsize = \
(len))
#define COLUMNAR_COMPRESS_HDRSZ ((int32) sizeof(ColumnarCompressHeader))
#define COLUMNAR_COMPRESS_RAWSIZE(ptr) (((ColumnarCompressHeader *) (ptr))->rawsize)
#define COLUMNAR_COMPRESS_RAWDATA(ptr) (((char *) (ptr)) + COLUMNAR_COMPRESS_HDRSZ)
#define COLUMNAR_COMPRESS_SET_RAWSIZE(ptr, \
len) (((ColumnarCompressHeader *) (ptr))->rawsize = \
(len))
/*
@ -116,7 +117,7 @@ CompressBuffer(StringInfo inputBuffer,
case COMPRESSION_PG_LZ:
{
uint64 maximumLength = PGLZ_MAX_OUTPUT(inputBuffer->len) +
CSTORE_COMPRESS_HDRSZ;
COLUMNAR_COMPRESS_HDRSZ;
bool compressionResult = false;
resetStringInfo(outputBuffer);
@ -124,14 +125,14 @@ CompressBuffer(StringInfo inputBuffer,
int32 compressedByteCount = pglz_compress((const char *) inputBuffer->data,
inputBuffer->len,
CSTORE_COMPRESS_RAWDATA(
COLUMNAR_COMPRESS_RAWDATA(
outputBuffer->data),
PGLZ_strategy_always);
if (compressedByteCount >= 0)
{
CSTORE_COMPRESS_SET_RAWSIZE(outputBuffer->data, inputBuffer->len);
COLUMNAR_COMPRESS_SET_RAWSIZE(outputBuffer->data, inputBuffer->len);
SET_VARSIZE_COMPRESSED(outputBuffer->data,
compressedByteCount + CSTORE_COMPRESS_HDRSZ);
compressedByteCount + COLUMNAR_COMPRESS_HDRSZ);
compressionResult = true;
}
@ -224,11 +225,11 @@ DecompressBuffer(StringInfo buffer,
case COMPRESSION_PG_LZ:
{
StringInfo decompressedBuffer = NULL;
uint32 compressedDataSize = VARSIZE(buffer->data) - CSTORE_COMPRESS_HDRSZ;
uint32 decompressedDataSize = CSTORE_COMPRESS_RAWSIZE(buffer->data);
uint32 compressedDataSize = VARSIZE(buffer->data) - COLUMNAR_COMPRESS_HDRSZ;
uint32 decompressedDataSize = COLUMNAR_COMPRESS_RAWSIZE(buffer->data);
int32 decompressedByteCount = 0;
if (compressedDataSize + CSTORE_COMPRESS_HDRSZ != buffer->len)
if (compressedDataSize + COLUMNAR_COMPRESS_HDRSZ != buffer->len)
{
ereport(ERROR, (errmsg("cannot decompress the buffer"),
errdetail("Expected %u bytes, but received %u bytes",
@ -238,11 +239,13 @@ DecompressBuffer(StringInfo buffer,
char *decompressedData = palloc0(decompressedDataSize);
#if PG_VERSION_NUM >= 120000
decompressedByteCount = pglz_decompress(CSTORE_COMPRESS_RAWDATA(buffer->data),
decompressedByteCount = pglz_decompress(COLUMNAR_COMPRESS_RAWDATA(
buffer->data),
compressedDataSize, decompressedData,
decompressedDataSize, true);
#else
decompressedByteCount = pglz_decompress(CSTORE_COMPRESS_RAWDATA(buffer->data),
decompressedByteCount = pglz_decompress(COLUMNAR_COMPRESS_RAWDATA(
buffer->data),
compressedDataSize, decompressedData,
decompressedDataSize);
#endif

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@ -25,9 +25,9 @@
#include "optimizer/restrictinfo.h"
#include "utils/relcache.h"
#include "columnar/cstore.h"
#include "columnar/cstore_customscan.h"
#include "columnar/cstore_tableam.h"
#include "columnar/columnar.h"
#include "columnar/columnar_customscan.h"
#include "columnar/columnar_tableam.h"
typedef struct ColumnarScanPath
{
@ -102,7 +102,7 @@ const struct CustomExecMethods ColumnarExecuteMethods = {
/*
* columnar_customscan_init installs the hook required to intercept the postgres planner and
* provide extra paths for cstore tables
* provide extra paths for columnar tables
*/
void
columnar_customscan_init()
@ -158,7 +158,7 @@ ColumnarSetRelPathlistHook(PlannerInfo *root, RelOptInfo *rel, Index rti,
}
/*
* Here we want to inspect if this relation pathlist hook is accessing a cstore table.
* Here we want to inspect if this relation pathlist hook is accessing a columnar table.
* If that is the case we want to insert an extra path that pushes down the projection
* into the scan of the table to minimize the data read.
*/
@ -173,7 +173,7 @@ ColumnarSetRelPathlistHook(PlannerInfo *root, RelOptInfo *rel, Index rti,
Path *customPath = CreateColumnarScanPath(rel, rte);
ereport(DEBUG1, (errmsg("pathlist hook for cstore table am")));
ereport(DEBUG1, (errmsg("pathlist hook for columnar table am")));
/* we propose a new path that will be the only path for scanning this relation */
clear_paths(rel);
@ -204,7 +204,7 @@ CreateColumnarScanPath(RelOptInfo *rel, RangeTblEntry *rte)
path->pathtarget = rel->reltarget;
/*
* Add cost estimates for a cstore table scan, row count is the rows estimated by
* Add cost estimates for a columnar table scan, row count is the rows estimated by
* postgres' planner.
*/
path->rows = rel->rows;
@ -216,7 +216,7 @@ CreateColumnarScanPath(RelOptInfo *rel, RangeTblEntry *rte)
/*
* ColumnarScanCost calculates the cost of scanning the cstore table. The cost is estimated
* ColumnarScanCost calculates the cost of scanning the columnar table. The cost is estimated
* by using all stripe metadata to estimate based on the columns to read how many pages
* need to be read.
*/
@ -277,13 +277,13 @@ ColumnarScanPath_PlanCustomPath(PlannerInfo *root,
static Node *
ColumnarScan_CreateCustomScanState(CustomScan *cscan)
{
ColumnarScanState *cstorescanstate = (ColumnarScanState *) newNode(
ColumnarScanState *columnarScanState = (ColumnarScanState *) newNode(
sizeof(ColumnarScanState), T_CustomScanState);
CustomScanState *cscanstate = &cstorescanstate->custom_scanstate;
CustomScanState *cscanstate = &columnarScanState->custom_scanstate;
cscanstate->methods = &ColumnarExecuteMethods;
cstorescanstate->qual = cscan->scan.plan.qual;
columnarScanState->qual = cscan->scan.plan.qual;
return (Node *) cscanstate;
}
@ -338,9 +338,9 @@ ColumnarAttrNeeded(ScanState *ss)
static TupleTableSlot *
ColumnarScanNext(ColumnarScanState *cstorescanstate)
ColumnarScanNext(ColumnarScanState *columnarScanState)
{
CustomScanState *node = (CustomScanState *) cstorescanstate;
CustomScanState *node = (CustomScanState *) columnarScanState;
/*
* get information from the estate and scan state
@ -352,7 +352,7 @@ ColumnarScanNext(ColumnarScanState *cstorescanstate)
if (scandesc == NULL)
{
/* the cstore access method does not use the flags, they are specific to heap */
/* the columnar access method does not use the flags, they are specific to heap */
uint32 flags = 0;
Bitmapset *attr_needed = ColumnarAttrNeeded(&node->ss);
@ -363,7 +363,7 @@ ColumnarScanNext(ColumnarScanState *cstorescanstate)
scandesc = columnar_beginscan_extended(node->ss.ss_currentRelation,
estate->es_snapshot,
0, NULL, NULL, flags, attr_needed,
cstorescanstate->qual);
columnarScanState->qual);
bms_free(attr_needed);
node->ss.ss_currentScanDesc = scandesc;

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@ -1,6 +1,6 @@
/*-------------------------------------------------------------------------
*
* cstore_debug.c
* columnar_debug.c
*
* Helper functions to debug column store.
*
@ -24,8 +24,8 @@
#include "utils/rel.h"
#include "utils/tuplestore.h"
#include "columnar/cstore.h"
#include "columnar/cstore_version_compat.h"
#include "columnar/columnar.h"
#include "columnar/columnar_version_compat.h"
static void MemoryContextTotals(MemoryContext context, MemoryContextCounters *counters);

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@ -13,8 +13,8 @@
#include "safe_lib.h"
#include "citus_version.h"
#include "columnar/cstore.h"
#include "columnar/cstore_version_compat.h"
#include "columnar/columnar.h"
#include "columnar/columnar_version_compat.h"
#include <sys/stat.h>
#include "access/heapam.h"
@ -668,7 +668,7 @@ GetHighestUsedAddressAndId(uint64 storageId,
*highestUsedId = 0;
/* file starts with metapage */
*highestUsedAddress = CSTORE_BYTES_PER_PAGE;
*highestUsedAddress = COLUMNAR_BYTES_PER_PAGE;
foreach(stripeMetadataCell, stripeMetadataList)
{
@ -1182,8 +1182,8 @@ InitMetapage(Relation relation)
ColumnarMetapage *metapage = palloc0(sizeof(ColumnarMetapage));
metapage->storageId = GetNextStorageId();
metapage->versionMajor = CSTORE_VERSION_MAJOR;
metapage->versionMinor = CSTORE_VERSION_MINOR;
metapage->versionMajor = COLUMNAR_VERSION_MAJOR;
metapage->versionMinor = COLUMNAR_VERSION_MINOR;
/* create the first block */
Buffer newBuffer = ReadBuffer(relation, P_NEW);

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@ -1,8 +1,8 @@
/*-------------------------------------------------------------------------
*
* cstore_reader.c
* columnar_reader.c
*
* This file contains function definitions for reading cstore files. This
* This file contains function definitions for reading columnar tables. This
* includes the logic for reading file level metadata, reading row stripes,
* and skipping unrelated row chunks and columns.
*
@ -36,8 +36,8 @@
#include "utils/lsyscache.h"
#include "utils/rel.h"
#include "columnar/cstore.h"
#include "columnar/cstore_version_compat.h"
#include "columnar/columnar.h"
#include "columnar/columnar_version_compat.h"
/* static function declarations */
static StripeBuffers * LoadFilteredStripeBuffers(Relation relation,
@ -80,7 +80,7 @@ static Datum ColumnDefaultValue(TupleConstr *tupleConstraints,
Form_pg_attribute attributeForm);
/*
* ColumnarBeginRead initializes a cstore read operation. This function returns a
* ColumnarBeginRead initializes a columnar read operation. This function returns a
* read handle that's used during reading rows and finishing the read operation.
*/
TableReadState *
@ -117,7 +117,7 @@ ColumnarBeginRead(Relation relation, TupleDesc tupleDescriptor,
/*
* ColumnarReadNextRow tries to read a row from the cstore file. On success, it sets
* ColumnarReadNextRow tries to read a row from the columnar table. On success, it sets
* column values and nulls, and returns true. If there are no more rows to read,
* the function returns false.
*/
@ -235,7 +235,7 @@ ColumnarRescan(TableReadState *readState)
}
/* Finishes a cstore read operation. */
/* Finishes a columnar read operation. */
void
ColumnarEndRead(TableReadState *readState)
{

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@ -50,16 +50,14 @@
#include "utils/lsyscache.h"
#include "utils/syscache.h"
#include "columnar/cstore.h"
#include "columnar/cstore_customscan.h"
#include "columnar/cstore_tableam.h"
#include "columnar/cstore_version_compat.h"
#include "columnar/columnar.h"
#include "columnar/columnar_customscan.h"
#include "columnar/columnar_tableam.h"
#include "columnar/columnar_version_compat.h"
#include "distributed/commands.h"
#include "distributed/commands/utility_hook.h"
#include "distributed/metadata_cache.h"
#define CSTORE_TABLEAM_NAME "columnar"
/*
* Timing parameters for truncate locking heuristics.
*
@ -159,7 +157,7 @@ columnar_beginscan(Relation relation, Snapshot snapshot,
attr_needed = bms_add_range(attr_needed, 0, natts - 1);
/* the cstore access method does not use the flags, they are specific to heap */
/* the columnar access method does not use the flags, they are specific to heap */
flags = 0;
TableScanDesc scandesc = columnar_beginscan_extended(relation, snapshot, nkeys, key,
@ -618,7 +616,7 @@ columnar_relation_copy_data(Relation rel, const RelFileNode *newrnode)
* we should copy data from OldHeap to NewHeap.
*
* In general TableAM case this can also be called for the CLUSTER command
* which is not applicable for cstore since it doesn't support indexes.
* which is not applicable for columnar since it doesn't support indexes.
*/
static void
columnar_relation_copy_for_cluster(Relation OldHeap, Relation NewHeap,
@ -647,11 +645,11 @@ columnar_relation_copy_for_cluster(Relation OldHeap, Relation NewHeap,
Assert(sourceDesc->natts == targetDesc->natts);
/* read settings from old heap, relfilenode will be swapped at the end */
ColumnarOptions cstoreOptions = { 0 };
ReadColumnarOptions(OldHeap->rd_id, &cstoreOptions);
ColumnarOptions columnarOptions = { 0 };
ReadColumnarOptions(OldHeap->rd_id, &columnarOptions);
TableWriteState *writeState = ColumnarBeginWrite(NewHeap->rd_node,
cstoreOptions,
columnarOptions,
targetDesc);
TableReadState *readState = ColumnarBeginRead(OldHeap, sourceDesc,
@ -814,7 +812,7 @@ LogRelationStats(Relation rel, int elevel)
/*
* TruncateColumnar truncates the unused space at the end of main fork for
* a cstore table. This unused space can be created by aborted transactions.
* a columnar table. This unused space can be created by aborted transactions.
*
* This implementation is based on heap_vacuum_rel in vacuumlazy.c with some
* changes so it suits columnar store relations.
@ -1162,9 +1160,10 @@ columnar_tableam_finish()
int64
ColumnarGetChunksFiltered(TableScanDesc scanDesc)
{
ColumnarScanDesc cstoreScanDesc = (ColumnarScanDesc) scanDesc;
TableReadState *readState = cstoreScanDesc->cs_readState;
ColumnarScanDesc columnarScanDesc = (ColumnarScanDesc) scanDesc;
TableReadState *readState = columnarScanDesc->cs_readState;
/* readState is initialized lazily */
if (readState != NULL)
{
return readState->chunksFiltered;
@ -1609,7 +1608,7 @@ alter_columnar_table_set(PG_FUNCTION_ARGS)
options.compressionType = ParseCompressionType(NameStr(*compressionName));
if (options.compressionType == COMPRESSION_TYPE_INVALID)
{
ereport(ERROR, (errmsg("unknown compression type for cstore table: %s",
ereport(ERROR, (errmsg("unknown compression type for columnar table: %s",
quote_identifier(NameStr(*compressionName)))));
}
ereport(DEBUG1, (errmsg("updating compression to %s",

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@ -1,8 +1,8 @@
/*-------------------------------------------------------------------------
*
* cstore_writer.c
* columnar_writer.c
*
* This file contains function definitions for writing cstore files. This
* This file contains function definitions for writing columnar tables. This
* includes the logic for writing file level metadata, writing row stripes,
* and calculating chunk skip nodes.
*
@ -29,8 +29,8 @@
#include "utils/rel.h"
#include "utils/relfilenodemap.h"
#include "columnar/cstore.h"
#include "columnar/cstore_version_compat.h"
#include "columnar/columnar.h"
#include "columnar/columnar_version_compat.h"
static StripeBuffers * CreateEmptyStripeBuffers(uint32 stripeMaxRowCount,
uint32 chunkRowCount,
@ -53,11 +53,9 @@ static Datum DatumCopy(Datum datum, bool datumTypeByValue, int datumTypeLength);
static StringInfo CopyStringInfo(StringInfo sourceString);
/*
* ColumnarBeginWrite initializes a cstore data load operation and returns a table
* ColumnarBeginWrite initializes a columnar data load operation and returns a table
* handle. This handle should be used for adding the row values and finishing the
* data load operation. If the cstore footer file already exists, we read the
* footer and then seek to right after the last stripe where the new stripes
* will be added.
* data load operation.
*/
TableWriteState *
ColumnarBeginWrite(RelFileNode relfilenode,
@ -118,7 +116,7 @@ ColumnarBeginWrite(RelFileNode relfilenode,
/*
* ColumnarWriteRow adds a row to the cstore file. If the stripe is not initialized,
* ColumnarWriteRow adds a row to the columnar table. If the stripe is not initialized,
* we create structures to hold stripe data and skip list. Then, we serialize and
* append data to serialized value buffer for each of the columns and update
* corresponding skip nodes. Then, whole chunk data is compressed at every
@ -214,10 +212,8 @@ ColumnarWriteRow(TableWriteState *writeState, Datum *columnValues, bool *columnN
/*
* ColumnarEndWrite finishes a cstore data load operation. If we have an unflushed
* stripe, we flush it. Then, we sync and close the cstore data file. Last, we
* flush the footer to a temporary file, and atomically rename this temporary
* file to the original footer file.
* ColumnarEndWrite finishes a columnar data load operation. If we have an unflushed
* stripe, we flush it.
*/
void
ColumnarEndWrite(TableWriteState *writeState)
@ -373,7 +369,7 @@ WriteToSmgr(Relation rel, uint64 logicalOffset, char *data, uint32 dataLength)
XLogBeginInsert();
/*
* Since cstore will mostly write whole pages we force the transmission of the
* Since columnar will mostly write whole pages we force the transmission of the
* whole image in the buffer
*/
XLogRegisterBuffer(0, buffer, REGBUF_FORCE_IMAGE);

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@ -17,11 +17,11 @@
#include "citus_version.h"
#include "columnar/cstore.h"
#include "columnar/columnar.h"
#include "columnar/mod.h"
#ifdef HAS_TABLEAM
#include "columnar/cstore_tableam.h"
#include "columnar/columnar_tableam.h"
#endif
void

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@ -14,4 +14,4 @@ COMMENT ON FUNCTION pg_catalog.alter_columnar_table_reset(
stripe_row_count bool,
compression bool,
compression_level bool)
IS 'reset on or more options on a cstore table to the system defaults';
IS 'reset on or more options on a columnar table to the system defaults';

View File

@ -14,4 +14,4 @@ COMMENT ON FUNCTION pg_catalog.alter_columnar_table_reset(
stripe_row_count bool,
compression bool,
compression_level bool)
IS 'reset on or more options on a cstore table to the system defaults';
IS 'reset on or more options on a columnar table to the system defaults';

View File

@ -14,4 +14,4 @@ COMMENT ON FUNCTION pg_catalog.alter_columnar_table_set(
stripe_row_count int,
compression name,
compression_level int)
IS 'set one or more options on a cstore table, when set to NULL no change is made';
IS 'set one or more options on a columnar table, when set to NULL no change is made';

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@ -14,4 +14,4 @@ COMMENT ON FUNCTION pg_catalog.alter_columnar_table_set(
stripe_row_count int,
compression name,
compression_level int)
IS 'set one or more options on a cstore table, when set to NULL no change is made';
IS 'set one or more options on a columnar table, when set to NULL no change is made';

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@ -2,7 +2,7 @@
#include "citus_version.h"
#include "postgres.h"
#include "columnar/cstore.h"
#include "columnar/columnar.h"
#if HAS_TABLEAM
@ -47,9 +47,9 @@
#include "utils/rel.h"
#include "utils/syscache.h"
#include "columnar/cstore_customscan.h"
#include "columnar/cstore_tableam.h"
#include "columnar/cstore_version_compat.h"
#include "columnar/columnar_customscan.h"
#include "columnar/columnar_tableam.h"
#include "columnar/columnar_version_compat.h"
/*
@ -178,12 +178,12 @@ columnar_init_write_state(Relation relation, TupleDesc tupdesc,
*/
MemoryContext oldContext = MemoryContextSwitchTo(WriteStateContext);
ColumnarOptions cstoreOptions = { 0 };
ReadColumnarOptions(relation->rd_id, &cstoreOptions);
ColumnarOptions columnarOptions = { 0 };
ReadColumnarOptions(relation->rd_id, &columnarOptions);
SubXidWriteState *stackEntry = palloc0(sizeof(SubXidWriteState));
stackEntry->writeState = ColumnarBeginWrite(relation->rd_node,
cstoreOptions,
columnarOptions,
tupdesc);
stackEntry->subXid = currentSubXid;
stackEntry->next = hashEntry->writeStateStack;

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@ -32,8 +32,8 @@
#include "access/xact.h"
#include "catalog/dependency.h"
#include "catalog/pg_am.h"
#include "columnar/cstore.h"
#include "columnar/cstore_tableam.h"
#include "columnar/columnar.h"
#include "columnar/columnar_tableam.h"
#include "distributed/colocation_utils.h"
#include "distributed/commands.h"
#include "distributed/commands/utility_hook.h"

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@ -64,7 +64,7 @@
#include "utils/ruleutils.h"
#include "utils/varlena.h"
#include "columnar/cstore_tableam.h"
#include "columnar/columnar_tableam.h"
/* Shard related configuration */
int ShardCount = 32;

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@ -1,6 +1,6 @@
/*-------------------------------------------------------------------------
*
* cstore.h
* columnar.h
*
* Type and function declarations for Columnar
*
@ -11,8 +11,8 @@
*-------------------------------------------------------------------------
*/
#ifndef CSTORE_H
#define CSTORE_H
#ifndef COLUMNAR_H
#define COLUMNAR_H
#include "postgres.h"
#include "fmgr.h"
@ -37,22 +37,17 @@
#define COMPRESSION_LEVEL_MIN 1
#define COMPRESSION_LEVEL_MAX 19
/* String representations of compression types */
#define COMPRESSION_STRING_NONE "none"
#define COMPRESSION_STRING_PG_LZ "pglz"
/* Columnar file signature */
#define CSTORE_MAGIC_NUMBER "citus_cstore"
#define CSTORE_VERSION_MAJOR 1
#define CSTORE_VERSION_MINOR 7
#define COLUMNAR_VERSION_MAJOR 1
#define COLUMNAR_VERSION_MINOR 7
/* miscellaneous defines */
#define CSTORE_TUPLE_COST_MULTIPLIER 10
#define CSTORE_POSTSCRIPT_SIZE_LENGTH 1
#define CSTORE_POSTSCRIPT_SIZE_MAX 256
#define CSTORE_BYTES_PER_PAGE (BLCKSZ - SizeOfPageHeaderData)
#define COLUMNAR_TUPLE_COST_MULTIPLIER 10
#define COLUMNAR_POSTSCRIPT_SIZE_LENGTH 1
#define COLUMNAR_POSTSCRIPT_SIZE_MAX 256
#define COLUMNAR_BYTES_PER_PAGE (BLCKSZ - SizeOfPageHeaderData)
/* Enumaration for cstore file's compression method */
/* Enumaration for columnar table's compression method */
typedef enum
{
COMPRESSION_TYPE_INVALID = -1,
@ -67,7 +62,7 @@ typedef enum
/*
* ColumnarOptions holds the option values to be used when reading or writing
* a cstore file. To resolve these values, we first check foreign table's options,
* a columnar table. To resolve these values, we first check foreign table's options,
* and if not present, we then fall back to the default values specified above.
*/
typedef struct ColumnarOptions
@ -93,7 +88,7 @@ typedef struct ColumnarTableDDLContext
/*
* StripeMetadata represents information about a stripe. This information is
* stored in the cstore file's footer.
* stored in the metadata table "columnar.stripe".
*/
typedef struct StripeMetadata
{
@ -107,13 +102,6 @@ typedef struct StripeMetadata
} StripeMetadata;
/* DataFileMetadata represents the metadata of a cstore file. */
typedef struct DataFileMetadata
{
List *stripeMetadataList;
} DataFileMetadata;
/* ColumnChunkSkipNode contains statistics for a ColumnChunkData. */
typedef struct ColumnChunkSkipNode
{
@ -207,7 +195,7 @@ typedef struct ColumnBuffers
} ColumnBuffers;
/* StripeBuffers represents data for a row stripe in a cstore file. */
/* StripeBuffers represents data for a row stripe. */
typedef struct StripeBuffers
{
uint32 columnCount;
@ -216,7 +204,7 @@ typedef struct StripeBuffers
} StripeBuffers;
/* TableReadState represents state of a cstore file read operation. */
/* TableReadState represents state of a columnar scan. */
typedef struct TableReadState
{
List *stripeList;
@ -242,7 +230,7 @@ typedef struct TableReadState
} TableReadState;
/* TableWriteState represents state of a cstore file write operation. */
/* TableWriteState represents state of a columnar write operation. */
typedef struct TableWriteState
{
TupleDesc tupleDescriptor;
@ -274,7 +262,7 @@ extern void columnar_init_gucs(void);
extern CompressionType ParseCompressionType(const char *compressionTypeString);
/* Function declarations for writing to a cstore file */
/* Function declarations for writing to a columnar table */
extern TableWriteState * ColumnarBeginWrite(RelFileNode relfilenode,
ColumnarOptions options,
TupleDesc tupleDescriptor);
@ -284,7 +272,7 @@ extern void ColumnarFlushPendingWrites(TableWriteState *state);
extern void ColumnarEndWrite(TableWriteState *state);
extern bool ContainsPendingWrites(TableWriteState *state);
/* Function declarations for reading from a cstore file */
/* Function declarations for reading from columnar table */
extern TableReadState * ColumnarBeginRead(Relation relation,
TupleDesc tupleDescriptor,
List *projectedColumnList,
@ -366,8 +354,8 @@ logical_to_smgr(uint64 logicalOffset)
{
SmgrAddr addr;
addr.blockno = logicalOffset / CSTORE_BYTES_PER_PAGE;
addr.offset = SizeOfPageHeaderData + (logicalOffset % CSTORE_BYTES_PER_PAGE);
addr.blockno = logicalOffset / COLUMNAR_BYTES_PER_PAGE;
addr.offset = SizeOfPageHeaderData + (logicalOffset % COLUMNAR_BYTES_PER_PAGE);
return addr;
}
@ -379,7 +367,7 @@ logical_to_smgr(uint64 logicalOffset)
static inline uint64
smgr_to_logical(SmgrAddr addr)
{
return CSTORE_BYTES_PER_PAGE * addr.blockno + addr.offset - SizeOfPageHeaderData;
return COLUMNAR_BYTES_PER_PAGE * addr.blockno + addr.offset - SizeOfPageHeaderData;
}
@ -398,4 +386,4 @@ next_block_start(SmgrAddr addr)
}
#endif /* CSTORE_H */
#endif /* COLUMNAR_H */

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@ -1,9 +1,9 @@
/*-------------------------------------------------------------------------
*
* cstore_customscan.h
* columnar_customscan.h
*
* Forward declarations of functions to hookup the custom scan feature of
* cstore.
* columnar.
*
* $Id$
*

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@ -1,6 +1,6 @@
/*-------------------------------------------------------------------------
*
* cstore_version_compat.h
* columnar_version_compat.h
*
* Compatibility macros for writing code agnostic to PostgreSQL versions
*
@ -11,8 +11,8 @@
*-------------------------------------------------------------------------
*/
#ifndef CSTORE_COMPAT_H
#define CSTORE_COMPAT_H
#ifndef COLUMNAR_COMPAT_H
#define COLUMNAR_COMPAT_H
#if PG_VERSION_NUM < 100000
@ -43,4 +43,4 @@
#define table_endscan heap_endscan
#endif
#endif /* CSTORE_COMPAT_H */
#endif /* COLUMNAR_COMPAT_H */

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@ -2,7 +2,7 @@
*
* mod.h
*
* Type and function declarations for CStore
* Type and function declarations for columnar
*
* Copyright (c) 2016, Citus Data, Inc.
*

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@ -246,7 +246,7 @@ SELECT alter_columnar_table_reset('not_a_columnar_table', compression => true);
ERROR: table not_a_columnar_table is not a columnar table
-- verify you can't use a compression that is not known
SELECT alter_columnar_table_set('table_options', compression => 'foobar');
ERROR: unknown compression type for cstore table: foobar
ERROR: unknown compression type for columnar table: foobar
-- verify cannot set out of range compression levels
SELECT alter_columnar_table_set('table_options', compression_level => 0);
ERROR: compression level out of range