SAP /SAPAPO/CL_GEN_DB_READ OO Class - General table reader
/SAPAPO/CL_GEN_DB_READ is a standard SAP object class available within R/3 SAP systems depending on your version and release level. You can view/maintain the class details by entering its name into the relevant SAP transactions such as SE24, SE80 or even SE84. Below is the documentation available for class /SAPAPO/CL_GEN_DB_READ including details of:
- Interface class implementations
- Inheritance details
- Methods defined within class ( including link to full details )
- Attributes ( including initial values )
- Class Events
Method list of /SAPAPO/CL_GEN_DB_READ SAP class
A method is a coding block that performs a certain procedure (i.e. ABAP functionality) on an object within the overall SAP class. In simple terms if the object is an SAP database table a method could be the procedure to add a record or to delete a record. If you are new to OO in many respects, the implementation of a method is similar to a function module and can be called in a very similar way using CALL METHOD.
Instead of "CALL FUNCTION", Methods are referenced using the following syntax: CALL METHOD =>methodname EXPORTING/IMPORTING...
| Method Name | Description | Visability |
| ADD_RANGE | Add range to selection criterias | Public |
| CALL METHOD /sapapo/cl_gen_db_read=>ADD_RANGE...more details | ||
| CHECK_RANGE_ATTRIBUTES | Check range attributes | Protected |
| CALL METHOD /sapapo/cl_gen_db_read=>CHECK_RANGE_ATTRIBUTES...more details | ||
| CHECK_RANGE_TABLE_TYPE | Check that the given table has Range Table Type | Protected |
| CALL METHOD /sapapo/cl_gen_db_read=>CHECK_RANGE_TABLE_TYPE...more details | ||
| CONSTRUCTOR | Constructor | Public |
| CALL METHOD /sapapo/cl_gen_db_read=>CONSTRUCTOR...more details | ||
| CONVERT_INT_TO_EXT_TYPE | Convert internal type to external type | Protected |
| CALL METHOD /sapapo/cl_gen_db_read=>CONVERT_INT_TO_EXT_TYPE...more details | ||
| CREATE_RANGE_FOR_CONSTANT | Create range table for a constant | Protected |
| CALL METHOD /sapapo/cl_gen_db_read=>CREATE_RANGE_FOR_CONSTANT...more details | ||
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| CREATE_STRUCTURE_FOR_RANGES | Create structure which contains ranges as fields | Protected |
| CALL METHOD /sapapo/cl_gen_db_read=>CREATE_STRUCTURE_FOR_RANGES...more details | ||
| FILTER_WITH_RANGES | Filter the result table with ranges (weren't used in SELECT) | Protected |
| CALL METHOD /sapapo/cl_gen_db_read=>FILTER_WITH_RANGES...more details | ||
| GET_COMPONENTS | Get components(fields) of the given parameter (table or str) | Public |
| CALL METHOD /sapapo/cl_gen_db_read=>GET_COMPONENTS...more details | ||
| GET_DB_FIELDS_FOR_FORALL | Get DB fields for the ForAll table | Protected |
| CALL METHOD /sapapo/cl_gen_db_read=>GET_DB_FIELDS_FOR_FORALL...more details | ||
| GET_RANGE | Get range table for the given field | Public |
| CALL METHOD /sapapo/cl_gen_db_read=>GET_RANGE...more details | ||
| GET_RANGE_FIELDS | Get added field names | Public |
| CALL METHOD /sapapo/cl_gen_db_read=>GET_RANGE_FIELDS...more details | ||
| READ_DB | Read database table | Protected |
| CALL METHOD /sapapo/cl_gen_db_read=>READ_DB...more details | ||
| READ_TABLE | Read table with the pregiven ranges | Public |
| CALL METHOD /sapapo/cl_gen_db_read=>READ_TABLE...more details | ||
| REMOVE_RANGE | Remove range/all ranges from selection criterias | Public |
| CALL METHOD /sapapo/cl_gen_db_read=>REMOVE_RANGE...more details | ||
/SAPAPO/CL_GEN_DB_READ attributes
List of attributes within class CL_ABAP_CHAR_UTILITIES. These can be referenced using the following syntax CL_ABAP_CHAR_UTILITIES=>. Although depending on where you are inserting the ABAP code you do need to check if the attribute is public or private.
| Name | Level | Description | Initial Value | Type | Visability |
| DB_ENTRIES_REF | Instance Attribute | LIKE DATA | Protected | ||
| DB_TABLE_FIELDS | Instance Attribute | DB Table structure info | LIKE DB_FIELDS_TAB_TYPE | Protected | |
| DB_TABLE_NAME | Instance Attribute | Table Name | LIKE TABNAME | Public | |
| MAX_RANGE_LINES | Constant | Max line numbers of ranges | 600 | LIKE SY-TABIX | Public |
| OPTION_EQ | Constant | Type of OPTION component in row type of a Ranges type | 'EQ' | LIKE DDOPTION | Public |
| OPTION_NE | Constant | Type of OPTION component in row type of a Ranges type | 'NE' | LIKE DDOPTION | Public |
| RANGES | Instance Attribute | Field-Range link | LIKE RANGES_TAB_TYPE | Protected | |
| SIGN_I | Constant | Type of SIGN component in row type of a Ranges type | 'I' | LIKE DDSIGN | Public |
/SAPAPO/CL_GEN_DB_READ types
DB_FIELDS_TAB_TYPE -FIELDS_STR_TYPE -
FIELDS_TAB_TYPE -
FIELD_MAPPING_STR_TYPE -
FIELD_MAPPING_TAB_TYPE -
RANGES_STR_TYPE -
RANGES_TAB_TYPE -
Links to Related Class(s)
/SAPAPO/...Full list of available SAP object classes
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