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                            # SPI_getargcount



## Name

SPI_getargcount?--?返回一個`SPI_prepare` 準備的已準備好語句需要的參數個數

## Synopsis

```
int SPI_getargcount(SPIPlanPtr plan)
```



## 描述

`SPI_getargcount`返回執行一個`SPI_prepare` 準備的已準備好語句需要的參數個數



## 參數

`SPIPlanPtr` `plan`

預備語句（`SPI_prepare`返回的）



## 返回值

`plan`預期參數的個數。如果`plan` 是`NULL`或無效，`SPI_result`設置為 `SPI_ERROR_ARGUMENT`并返回-1.








                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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