Error
Error Code: ORA-30351

Oracle Error ORA-30351: Unsupported Query Rewrite

📦 Oracle Database
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Description

The ORA-30351 error indicates that the query rewrite feature in Oracle Database encountered a complex expression it cannot process. This typically occurs when using advanced or unsupported functions, operators, or constructs within a query intended for rewrite.
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Error Message

ORA-30351: query rewrite does not currently support this expression
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Known Causes

3 known causes
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Complex Function Usage
The query uses a function that is not supported by query rewrite, such as certain analytical or user-defined functions.
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Unsupported Operator
The query includes an operator or combination of operators that are not compatible with query rewrite optimizations.
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Complex Join Conditions
The join conditions between tables are too complex for the query rewrite mechanism to effectively analyze and optimize.
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Solutions

Coming Soon

Detailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:

General Troubleshooting Tips

  • Check the error message carefully for specific details
  • Review recent changes that might have caused the error
  • Search for the exact error code in the official documentation
  • Check log files for additional context
  • Try restarting the application or service

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