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Fix autoincrement filtering problems with utf-8 (#2964)

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MCOL-5572: Widen the autoincrement column to accomodate utf-8  encoded into weights with strnxfrm function.
This commit is contained in:
Sergey Zefirov
2023-09-22 16:40:10 +03:00
committed by GitHub
parent 1eb053b46c
commit 4bfce51628
3 changed files with 48 additions and 1 deletions
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7
dbcon/execplan/calpontsystemcatalog.cpp
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@ -6043,7 +6043,12 @@ void CalpontSystemCatalog::buildSysColinfomap()
fColinfomap[OID_SYSCOLUMN_PRECISION] = ColType(4, scale, precision, NOTNULL_CONSTRAINT,
notDict, colPosition++, compressionType, OID_SYSCOLUMN_PRECISION, INT);
fColinfomap[OID_SYSCOLUMN_AUTOINC] = ColType(1, scale, precision, NO_CONSTRAINT,
// please note that column width specified in table creation is 1.
// we specify 4 because we use strnxfrm in filtering and it may convert
// data to, well, unsigned long int (my_cw_t type). But, all of the
// contemporary character sets have weights up to 32-bit, thus, here we
// specify 4-byte width which ill be enough for time being.
fColinfomap[OID_SYSCOLUMN_AUTOINC] = ColType(4, scale, precision, NO_CONSTRAINT,
notDict, colPosition++, compressionType, OID_SYSCOLUMN_AUTOINC, CHAR);
fColinfomap[OID_SYSCOLUMN_DISTCOUNT] = ColType(4, scale, precision, NO_CONSTRAINT,