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2917113 - Increase in index size after migrating text column from off-row to in-row - SAP ASE

Symptom

  • The text column of a table was modified from off row to in row lob after inserting many rows with null column values

  • After an update statement to the text column, like

    update <table> set <text_col> = <text_col> where <whereclause>

    it was noticed that the size of the index (indid 255) was considerably larger than the original size

  • New inserts in the table with in row do not increase the index size, only updates


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Environment

SAP Adaptive Server Enterprise (ASE) 15.7 and 16.0

Product

SAP Adaptive Server Enterprise all versions

Keywords

in-row, off-row, indid 255, increase in size, LOB, text, migration , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Product Enhancement

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