ALPHA-VISION® Database Operations: ExecSql

ExecSql

SUMMARY

ExecSql - Executes the defined SQL-Statement for the ODBC Data source.

SYNTAX

ExecSql(<odbc_datasource, sql>);

ARGUMENTS

odbc_datasource (type:string)

The ODBC-Data source. ODBC Data sources are set up in system control.

sql (type:string)

The SQL-instruction to be executed.

DESCRIPTION

1. Missing arguments are taken from the stack.(and removed from there).
2. The result is pushed onto the stack.

Executes the defined SQL-Statement for the ODBC Data source. If the result is a table it is pushed onto the stack.

EXAMPLES

//Stack before: empty
FormatString("SELECT PROD_ID, DESCR FROM PRODUCTS WHERE TYPE = %s",
 OBJ.ActProdType.Value);
ExecSql("MyData");
//Stack afterwards (1 Element: Array with 2 Records having 2 Fields each):
//{
//  {
//    {"PROD_ID", "ABC1"},
//    {"DESCR", "Product ABC, Version 1"}
//  },
//  {
//    {"PROD_ID", "XYZ2"},
//    {"DESCR", "Product XYZ, Version 2"}
//  }
//}

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Syntax Notation

[aaa]

aaa is optional (zero or one occurences)

(aaa|bbb)

aaa exclusive or bbb

(aaa)*

aaa may occur indefinitely often or may be omitted

(aaa)+

aaa may occur indefinitely often but at least once

(aaa)m..n

aaa may occur from m to n times