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ABENSELECT_INTO_CONVERSION - SELECT INTO CONVERSION
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SELECT, Assignment Rules
The following assignment rules apply to assignments of the result fields of the result set of a standalone SELECT, WITH, or FETCH statement to the target fields defined in the INTO clause.
Prerequisites
The following table shows the prerequisites for assigning individual columns of the result set to individual data objects, that is, for all forms of the SELECT statement, except when all columns in a work area wa are read with * and CORRESPONDING FIELDS is not specified at the same time. The table shows which data types of the result set can be assigned to which ABAP data types.
| Data Type of Column in Result Set | ABAP Data Type |
| CHAR, CLNT, CUKY, LANG, SSTRING, STRING, UNIT | c, string |
| ACCP, NUMC | c, n |
| LCHR | c |
| RAW, RAWSTRING, GEOM_EWKB | x, xstring |
| LRAW | x |
| DF16_DEC | decfloat16, decfloat34 |
| DECFLOAT16, DF16_RAW, DF16_SCL (obsolete) | decfloat16 |
| DECFLOAT34, DF34_DEC, DF34_RAW, DF34_SCL (obsolete) | decfloat34 |
| CURR, DEC, INT1, INT2, INT4, INT8, PREC, QUAN | (b, s), i, int8, p, f |
| FLTP | f |
| DATN, DATS | d |
| TIMN, TIMS | t |
| UTCLONG | utclong |
Notes
- Fields of the types STRING and RAWSTRING (LOBs) from the result set can be assigned to reference variables for LOB handles as well as to strings. The static type of these reference variables must be one of the system classes or one of the system interfaces that support streaming and locators for.
- Fields cannot be assigned to enumerated variables, even if their base type would be an allowed ABAP type.
Rules
The assignments are made according to the following rules:
- If the target field is of data type c or x, the content of the result field is inserted left-aligned into the target field. If the target field is too short, the result is truncated to the right. If the target field is too long, spaces or hexadecimal 0 are filled to the right.
- If the target field is of data type string or xstring, the content of the result field is inserted left-aligned into the target field. In result fields of the type STRING, the trailing blanks are transferred. The target field has the same length as the result field.
- If the target field is of data type n, the content of the result field is inserted right-aligned into the target field. If necessary, it is padded with zeros on the left. If the target field is too short, the result is truncated to the left.
- If the target field has a numeric data type, the value of the result field is converted to this data type and the value range of the target field must be large enough. Here, any surplus decimal places in result fields of the type CURR, DEC, or QUAN (numbers in the BCD format) are cut off.
- If the result field contains a null value, a type-dependent initial value is assigned to the target field.
For assignments of LOBs to reference variables, see LOB Handles.
Example
The variable result1 is given the value 1. Any surplus decimal places are cut off. The built-in SQL function ROUND can be used to perform roundings like in conversions in ABAP. result2 is given the value 2.
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