[asterisk-bugs] [JIRA] (ASTERISK-27888) SQL fetch error on query which return 0 columns

[Alexei Gradinari (JIRA)]

Alexei Gradinari created ASTERISK-27888:
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             Summary: SQL fetch error on query which return 0 columns
                 Key: ASTERISK-27888
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27888
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Functions/func_odbc
    Affects Versions: 13.21.0
            Reporter: Alexei Gradinari


The functions acf_odbc_read/cli_odbc_read ignore a number of columns in the  SQLNumResultCols.
If the number of columns is zero it means no data.
In this case, a SQLFetch function has to be not called,
because it will cause an error.




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