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SELECT ... INTOsyntax enables selected columns to be stored directly into variables. The query should return a single row. If the query returns no rows, a warning with error code 1329 occurs (No data), and the variable values remain unchanged. If the query returns multiple rows, error 1172...
ASELECT ... BULK COLLECT INTOstatement can return multiple rows. You must set up collection variables to hold the results. You can declare associative arrays or nested tables that grow as needed to hold the entire result set. The implicit cursorSQLand its attributes%NOTFOUND,%FOUND,%ROWCOUNT,...
If it is possible that the statement may retrieve multiple rows, you can use LIMIT 1 to limit the result set to a single row. SELECT id, data INTO @x, @y FROM test.t1 LIMIT 1;User variable names are not case-sensitive. See Section 9.4, “User-Defined Variables”. ...
You can also select values from aVALUESstatement that generates a single row into a set of user variables. In this case, you must employ a table alias, and you must assign each value from the value list to a variable. Each of the two statements shown here is equivalent toSET @x=2, ...
The statement SELECT also has an obsolete short form, in which INTO or APPENDING can be omitted. Reference variables for LOB handles or LOB handle structures cannot currently be specified after the statement FETCH. Host variables without the escape character @ are obsolete. The escape character...
One SELECT statement can initialize multiple local variables. Note A SELECT statement that contains a variable assignment cannot be used to also perform typical result set retrieval operations. Examples A. Use SELECT@local_variableto return a single value ...
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SELECTstatements are permitted in user-defined functions only if the select lists of these statements contain expressions that assign values to variables that are local to the functions. A four-part name constructed with theOPENDATASOURCEfunction as the server-name part can be used as a table sourc...
The second test case was modified thus: create procedure bug7992_2() insert into t3 (s1) select max(t4.s1)+1 from t3 as t4; to avoid some confusion over the multiple references to the same field. (If this is a bug, it's a different one than this one in any case.)Legal...