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English
  • Common Content for Data Engineering 10.2.1
  • All Products

Table of Contents

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  1. Preface
  2. Mappings
  3. Mapplets
  4. Mapping Parameters
  5. Mapping Outputs
  6. Generate a Mapping from an SQL Query
  7. Dynamic Mappings
  8. How to Develop and Run a Dynamic Mapping
  9. Dynamic Mapping Use Cases
  10. Mapping Administration
  11. Export to PowerCenter
  12. Import From PowerCenter
  13. Performance Tuning
  14. Pushdown Optimization
  15. Partitioned Mappings
  16. Developer Tool Naming Conventions

Developer Mapping Guide

Developer Mapping Guide

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IBM DB2 Function Exceptions

IBM DB2 Function Exceptions

The Data Integration Service cannot push supported functions to IBM DB2 for i5/OS, DB2 for LUW, and DB2 for z/OS sources under certain conditions.
The Data Integration Service processes transformation logic for IBM DB2 sources when expressions contain supported functions with the following logic:
  • ADD_TO_DATE or GET_DATE_PART returns results with millisecond or nanosecond precision.
  • LTRIM includes more than one argument.
  • RTRIM includes more than one argument.
  • TO_BIGINT converts a string to a bigint value on a DB2 for LUW source.
  • TO_CHAR converts a date to a character string and specifies a format that is not supported by DB2.
  • TO_DATE converts a character string to a date and specifies a format that is not supported by DB2.
  • TO_DECIMAL converts a string to a decimal value without the scale argument.
  • TO_FLOAT converts a string to a double-precision floating point number.
  • TO_INTEGER converts a string to an integer value on a DB2 for LUW source.
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