mirror of https://github.com/citusdata/citus.git
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* cstore_metadata_serialization.h
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*
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* Type and function declarations to serialize/deserialize cstore metadata.
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*
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* Copyright (c) 2016, Citus Data, Inc.
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*
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* $Id$
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef CSTORE_SERIALIZATION_H
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#define CSTORE_SERIALIZATION_H
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/* Function declarations for metadata serialization */
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extern StringInfo SerializePostScript(uint64 tableFooterLength);
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extern StringInfo SerializeTableFooter(TableFooter *tableFooter);
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extern StringInfo SerializeColumnSkipList(ColumnBlockSkipNode *blockSkipNodeArray,
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uint32 blockCount, bool typeByValue,
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int typeLength);
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/* Function declarations for metadata deserialization */
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extern void DeserializePostScript(StringInfo buffer, uint64 *tableFooterLength);
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extern TableFooter * DeserializeTableFooter(StringInfo buffer);
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extern uint32 DeserializeBlockCount(StringInfo buffer);
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extern uint32 DeserializeRowCount(StringInfo buffer);
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extern ColumnBlockSkipNode * DeserializeColumnSkipList(StringInfo buffer,
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bool typeByValue, int typeLength,
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uint32 blockCount);
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#endif /* CSTORE_SERIALIZATION_H */
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