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Update why-i-get-lua-error-decimal-expected-got-number.md #157

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Update why-i-get-lua-error-decimal-expected-got-number.md
PeggySchmidtMittenzwei Jul 21, 2025
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Update Database-Features/why-i-get-lua-error-decimal-expected-got-num…
PeggySchmidtMittenzwei Jul 23, 2025
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Update why-i-get-lua-error-decimal-expected-got-number.md
PeggySchmidtMittenzwei Jul 23, 2025
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Update why-i-get-lua-error-decimal-expected-got-number.md
PeggySchmidtMittenzwei Jul 23, 2025
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13 changes: 8 additions & 5 deletions Database-Features/why-i-get-lua-error-decimal-expected-got-number.md
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Expand Up @@ -29,8 +29,10 @@ SELECT TEST.NUMBER_DECIMAL_UDF (a) FROM TEST.T;

I get the following error message:

> [!CAUTION]
> [Code: 0, SQL State: 22001] Lua Error "decimal expected, got number" caught in script "TEST"."NUMBER_DECIMAL_UDF" at line 4 (Session: 1836005522647613440)
```text
[Code: 0, SQL State: 22001] Lua Error "decimal expected, got number" caught in
script "TEST"."NUMBER_DECIMAL_UDF" at line 4 (Session: 1836005522647613440)
```

## The Error

Expand All @@ -57,11 +59,12 @@ end
* ctx.a / 10: Performs floating-point division in Lua.
* DECIMAL(): Converts the floating-point result into an integer by rounding down

> [!TIP]
> Always use decimal() for calculations if you’re working with DECIMALs!
### 💡Hint💡

* Always use decimal() for calculations if you’re working with DECIMALs!

## References

* [Exasol Lua Scripting: Decimal number handling](https://docs.exasol.com/db/latest/database_concepts/scripting/general_script_language.htm#TypesandValues)
* Documentation of [Exasol Lua Scripting: Decimal number handling](https://docs.exasol.com/db/latest/database_concepts/scripting/general_script_language.htm#TypesandValues)

*We appreciate your input! Share your knowledge by contributing to the Knowledge Base directly in [GitHub](https://github.com/exasol/public-knowledgebase).*