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dev:sql:functions:lj [2009/12/07 15:27] tdo created |
dev:sql:functions:lj [2010/07/09 03:34] els |
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| ====== Omnidex SQL Function: $LJ ====== | ====== Omnidex SQL Function: $LJ ====== | ||
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| ===== Description ===== | ===== Description ===== | ||
| - | The $LJ function will left-justify a string by eliminating the leading white space. | + | Left-justify the character expression. |
| - | The return data type is C STRING. | + | This function return a C STRING datatype. |
| - | The return length is: | ||
| - | |||
| - | the length of the string if the string is a C STRING column | ||
| - | the length of the string +1 if the string is a CHAR column or a literal. | ||
| ===== Syntax ===== | ===== Syntax ===== | ||
| - | $LJ( < column_spec | 'string' > ) | ||
| - | |||
| - | == < column_spec | 'string' > == | ||
| - | |||
| - | Required. The string that is to be left. This can be a string literal or other scalar_expression resulting in a string. | ||
| - | |||
| - | ===== Example ===== | ||
| - | |||
| - | ==== Example 1 ==== | ||
| - | select $LJ(company), $RJ(company) from customers where company='systems' | ||
| - | |||
| - | $LJ(CUSTOMERS.COMPANY) | ||
| - | ---------------------------------------------- | ||
| - | |||
| - | $RJ(CUSTOMERS.COMPANY) | ||
| - | ---------------------------------------------- | ||
| - | |||
| - | Dynamic Information Systems Corporation | ||
| - | |||
| - | Dynamic Information Systems Corporation | ||
| - | Camco Systems | + | $LJ( character_expression ) |
| - | Camco Systems | + | == character_expression == |
| - | ASK Computer Systems, Inc. | + | Required. Any expression that returns a character-class datatype. Examples of expressions are columns, concatenations of columns, literal strings and functions that return a character datatype. |
| - | ASK Computer Systems, Inc. | ||
| - | ... | + | ===== Examples ===== |
| + | ==== Example: Column ==== | ||
| + | <code> | ||
| + | > select $lj(name) nme from individuals; | ||
| + | NME | ||
| + | -------------------------------------------------- | ||
| + | MS. MARY LEWIS | ||
| + | MRS. ALICE R TOLLIVER | ||
| + | MR. SIDNEY K TOLLIVER | ||
| + | MRS. JENNIFER J HOPKINS | ||
| + | MR. CHARLIE HOPKINS | ||
| + | MS. KIMBERLY BLUE | ||
| + | KATHLEEN TUCKER | ||
| + | </code> | ||
| + | |||
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