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| - | ====== Omnidex SQL Function: || (Concatenation) ====== | ||
| - | ===== Description ===== | ||
| - | The concatenation operator - || (two vertical bars) - returns a single concatenated character string made up of two or more character expressions. All blanks are preserved during concatenation. Use the TRIM function to eliminate blanks if desired. | ||
| - | |||
| - | A concatenation operator on two character strings (CHARACTER_DATATYPE_COLUMN1 || CHARACTER_DATATYPE_COLUMN2) will return a CHARACTER string; everything else will return a C STRING. | ||
| - | |||
| - | ===== Syntax ===== | ||
| - | |||
| - | character_expression || character_expression [ || character_expression ...] | ||
| - | |||
| - | ===== Examples ===== | ||
| - | ==== Example 1: Concatenating both columns and text ==== | ||
| - | <code> | ||
| - | > select 'Individual: ' || individual || ' Name: ' || name first_line from individuals; | ||
| - | |||
| - | FIRST_LINE | ||
| - | ----------------------------------------------------------------------------- | ||
| - | Individual: 000900011022 Name: MS. MARY LEWIS | ||
| - | Individual: 000900047761 Name: MRS. ALICE R TOLLIVER | ||
| - | Individual: 000900047762 Name: MR. SIDNEY K TOLLIVER | ||
| - | Individual: 000900067115 Name: MRS. JENNIFER J HOPKINS | ||
| - | Individual: 000900067114 Name: MR. CHARLIE HOPKINS | ||
| - | Individual: 000900215567 Name: MS. KIMBERLY BLUE | ||
| - | Individual: 000900240828 Name: KATHLEEN TUCKER</code> | ||
| - | |||
| - | ==== Example 2: Complex expression ==== | ||
| - | The following complex example creates a string containing the name and an optional email. | ||
| - | |||
| - | <code> | ||
| - | > Select (((trim($proper(NAME)) || | ||
| - | >> case | ||
| - | >> when EMAIL > ' ' then ' (' | ||
| - | >> else '' | ||
| - | >> end) || | ||
| - | >> trim(EMAIL)) || | ||
| - | >> case | ||
| - | >> when EMAIL > ' ' then ')' | ||
| - | >> else '' | ||
| - | >> end) name_and_email | ||
| - | >> from INDIVIDUALS; | ||
| - | |||
| - | NAME_AND_EMAIL | ||
| - | ----------------------------------------------------------------------------- | ||
| - | Ms. Mary Lewis | ||
| - | Mrs. Alice R Tolliver (alicetolliver@securitasinc.com) | ||
| - | Mr. Sidney K Tolliver (sidneytolliver@deere.com) | ||
| - | Mrs. Jennifer J Hopkins | ||
| - | Mr. Charlie Hopkins | ||
| - | Ms. Kimberly Blue | ||
| - | Kathleen Tucker | ||
| - | </code> | ||
| - | ====== Additional Resources ====== | ||
| - | |||
| - | See also: | ||
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