mysql - Invalid Use of a Group Function -
I seem to be looking for a solution to the simple problem. The query is broken only when I present the last amount () function in the clause, I get the error " Error code: 1111. Invalid usage of group function. " I do not understand That's why it will not allow me to get such a saying. Query Previous> Where the rows are used, WHERE clauses are predicted, they choose which rows are included. Value of the total expression (such as Rows are predicted in the Note: That is, if you return to
Select the interval of the week (dIntervalStart) WeekOfYear, Day of the Day (dIntervalStart) DayOfWeek, Dali (dIntervalStart as Time) CallVolume 'i.e. 0' between '07: 00 'and '17 and' CNN ('applicance', 'employer', 'fatefund', 'normal', 'other') and CRR Group = 'iWelkgrpqueuestats' from Intervalart, zodiac (nExternToInternAcdCalls) '*' And CASAID (time difference as in 30) and no dintervalStart (5, 6) and the amount (nExternToInternAcdCalls) & Gt; According to the dintervalStart ACA, dIntervalStart desc
by group .. Yoga (NEXTenterAndDecall) & lt; & Gt; 0 by order ...
SUM (foo) ) is not available when the rows are used. The value of that expression can not be determined until after rows .
HAVING section after reaching, and ready after the result. When HAVING prediction is evaluated, the total (
SUM (foo) ) will be available.
GROUP BY section usually includes all non-all expressions in the SELECT list. MySQL is more comfortable than other databases, which can be both a blessing and a curse; If the group renders "collapsed" rows for non-aggregates in the "Select" rows, then MySQL returns a value from a of rows.
weekofiere (ef) by group, and return
foo in SELECT list, and there are several rows with foo values Validate for the same
weekofyear (foo) value, MySQL will return a line for the given
weekofyear (foo) and a A will also return one of the rows. Other databases (Oracle, SQL Server, et al.) Throws an error instead of returning a result.
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