46.3. Data Values in PL/Tcl
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## 46.3. Data Values in PL/Tcl

The argument values supplied to a PL/Tcl function's code are simply the input arguments converted to text form (just as if they had been displayed by a `SELECT` statement). Conversely, the `return` and `return_next` commands will accept any string that is acceptable input format for the function's declared result type, or for the specified column of a composite result type.

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46.2. PL/Tcl Functions and Arguments | Home | 46.4. Global Data in PL/Tcl