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The dict_int text search dictionary template accepts maxlen parameter, which is then used to cap the length of input strings. The value was not properly checked, and the code simply does txt[d->maxlen] = '\0'; to insert a terminator, leading to segfaults with negative values. This commit simply rejects values less than 1. The issue was there since dct_int was introduced in 9.3, so backpatch all the way back to 9.4 which is the oldest supported version. Reported-by: cili Discussion: https://postgr.es/m/16144-a36a5bef7657047d@postgresql.org Backpatch-through: 9.4
305 lines
4.2 KiB
Plaintext
305 lines
4.2 KiB
Plaintext
CREATE EXTENSION dict_int;
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--lexize
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select ts_lexize('intdict', '511673');
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ts_lexize
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-----------
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{511673}
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(1 row)
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select ts_lexize('intdict', '129');
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ts_lexize
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-----------
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{129}
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(1 row)
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select ts_lexize('intdict', '40865854');
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ts_lexize
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-----------
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{408658}
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(1 row)
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select ts_lexize('intdict', '952');
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ts_lexize
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-----------
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{952}
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(1 row)
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select ts_lexize('intdict', '654980341');
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ts_lexize
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-----------
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{654980}
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(1 row)
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select ts_lexize('intdict', '09810106');
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ts_lexize
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-----------
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{098101}
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(1 row)
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select ts_lexize('intdict', '14262713');
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ts_lexize
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-----------
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{142627}
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(1 row)
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select ts_lexize('intdict', '6532082986');
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ts_lexize
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{653208}
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(1 row)
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select ts_lexize('intdict', '0150061');
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ts_lexize
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-----------
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{015006}
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(1 row)
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select ts_lexize('intdict', '7778');
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ts_lexize
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{7778}
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(1 row)
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select ts_lexize('intdict', '9547');
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ts_lexize
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{9547}
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(1 row)
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select ts_lexize('intdict', '753395478');
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ts_lexize
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-----------
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{753395}
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(1 row)
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select ts_lexize('intdict', '647652');
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ts_lexize
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-----------
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{647652}
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(1 row)
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select ts_lexize('intdict', '6988655574');
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ts_lexize
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{698865}
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(1 row)
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select ts_lexize('intdict', '1279');
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ts_lexize
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{1279}
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(1 row)
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select ts_lexize('intdict', '1266645909');
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ts_lexize
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{126664}
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(1 row)
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select ts_lexize('intdict', '7594193969');
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ts_lexize
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{759419}
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(1 row)
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select ts_lexize('intdict', '16928207');
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ts_lexize
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{169282}
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(1 row)
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select ts_lexize('intdict', '196850350328');
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ts_lexize
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{196850}
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(1 row)
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select ts_lexize('intdict', '22026985592');
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ts_lexize
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{220269}
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(1 row)
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select ts_lexize('intdict', '2063765');
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ts_lexize
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-----------
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{206376}
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(1 row)
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select ts_lexize('intdict', '242387310');
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ts_lexize
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{242387}
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(1 row)
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select ts_lexize('intdict', '93595');
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ts_lexize
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{93595}
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(1 row)
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select ts_lexize('intdict', '9374');
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ts_lexize
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{9374}
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(1 row)
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select ts_lexize('intdict', '996969');
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ts_lexize
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{996969}
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(1 row)
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select ts_lexize('intdict', '353595982');
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ts_lexize
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{353595}
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(1 row)
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select ts_lexize('intdict', '925860');
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ts_lexize
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{925860}
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(1 row)
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select ts_lexize('intdict', '11848378337');
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ts_lexize
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{118483}
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(1 row)
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select ts_lexize('intdict', '333');
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ts_lexize
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{333}
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(1 row)
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select ts_lexize('intdict', '799287416765');
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ts_lexize
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{799287}
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(1 row)
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select ts_lexize('intdict', '745939');
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ts_lexize
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{745939}
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(1 row)
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select ts_lexize('intdict', '67601305734');
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ts_lexize
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{676013}
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(1 row)
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select ts_lexize('intdict', '3361113');
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ts_lexize
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{336111}
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(1 row)
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select ts_lexize('intdict', '9033778607');
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ts_lexize
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{903377}
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(1 row)
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select ts_lexize('intdict', '7507648');
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ts_lexize
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-----------
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{750764}
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(1 row)
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select ts_lexize('intdict', '1166');
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ts_lexize
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{1166}
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(1 row)
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select ts_lexize('intdict', '9360498');
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ts_lexize
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{936049}
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(1 row)
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select ts_lexize('intdict', '917795');
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ts_lexize
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{917795}
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(1 row)
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select ts_lexize('intdict', '9387894');
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ts_lexize
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{938789}
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(1 row)
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select ts_lexize('intdict', '42764329');
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ts_lexize
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{427643}
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(1 row)
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select ts_lexize('intdict', '564062');
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ts_lexize
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{564062}
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(1 row)
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select ts_lexize('intdict', '5413377');
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ts_lexize
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{541337}
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(1 row)
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select ts_lexize('intdict', '060965');
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ts_lexize
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-----------
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{060965}
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(1 row)
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select ts_lexize('intdict', '08273593');
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ts_lexize
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{082735}
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(1 row)
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select ts_lexize('intdict', '593556010144');
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ts_lexize
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{593556}
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(1 row)
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select ts_lexize('intdict', '17988843352');
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ts_lexize
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{179888}
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(1 row)
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select ts_lexize('intdict', '252281774');
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ts_lexize
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{252281}
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(1 row)
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select ts_lexize('intdict', '313425');
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ts_lexize
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{313425}
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(1 row)
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select ts_lexize('intdict', '641439323669');
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ts_lexize
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-----------
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{641439}
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(1 row)
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select ts_lexize('intdict', '314532610153');
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ts_lexize
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-----------
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{314532}
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(1 row)
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ALTER TEXT SEARCH DICTIONARY intdict (MAXLEN = -214783648);
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ERROR: maxlen value has to be >= 1
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