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| - | ====== Omnidex SQL: Functions ====== | + | ====== Omnidex SQL Functions Quick Reference ====== |
| + | |||
| + | (This will be converted to a three-column once the underlying pages are written) | ||
| + | |||
| + | |< 100% 100% >| | ||
| ^ Omnidex SQL Functions ^^^ | ^ Omnidex SQL Functions ^^^ | ||
| |**String Functions** ||| | |**String Functions** ||| | ||
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| |[[dev:sql:functions:case|CASE]] ||| | |[[dev:sql:functions:case|CASE]] ||| | ||
| |[[dev:sql:functions:coalesce|COALESCE]] ||| | |[[dev:sql:functions:coalesce|COALESCE]] ||| | ||
| - | |[[dev:sql:functions:ifnull|IFNULL]] ||| | ||
| |[[dev:sql:functions:nullif|NULLIF]] ||| | |[[dev:sql:functions:nullif|NULLIF]] ||| | ||
| + | |[[dev:sql:functions:ifnull|$IFNULL]] ||| | ||
| | ||| | | ||| | ||
| |**Utility and Conversion Functions** ||| | |**Utility and Conversion Functions** ||| | ||
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| |[[dev:sql:functions:data_length|$DATA_LENGTH]] ||| | |[[dev:sql:functions:data_length|$DATA_LENGTH]] ||| | ||
| |[[dev:sql:functions:distance|$DISTANCE]] ||| | |[[dev:sql:functions:distance|$DISTANCE]] ||| | ||
| - | |[[dev:sql:functions:external|$EXTERNAL]] ||| | ||
| | ||| | | ||| | ||
| |**Variables** ||| | |**Variables** ||| | ||
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| |[[dev:sql:functions:to_number|TO_NUMBER]] ||| | |[[dev:sql:functions:to_number|TO_NUMBER]] ||| | ||
| | ||| | | ||| | ||
| - | |----------------------------------------------------------|---------------------------------------------------------|----------------------------------------------------------| | ||
| - | |||
| - | ===== String Functions ===== | ||
| - | |||
| - | ^Function ^Syntax ^Description ^ | ||
| - | | [[dev:sql:functions:character_length | CHAR[ACTER]_LENGTH]] |char_length(char_expr) | Return the number of characters in a character expression. | | ||
| - | | [[dev:sql:functions:lower | LOWER]] | LOWER(char_expr)|Convert all characters in a character expression to lower case. | | ||
| - | | [[dev:sql:functions:position | POSITION]] | POSITION(search_expr IN target_expr)| Return the position of a character expression within another character expression. | | ||
| - | | [[dev:sql:functions:substring | SUBSTRING]] | SUBSTRING(char_expr FROM pos FOR len)|Return a specific part of a character expression starting at FROM position FOR length. | | ||
| - | | [[dev:sql:functions:trim | TRIM ]] | TRIM(['char' FROM] column)| Remove leading and/or trailing spaces or characters from a character expression. | | ||
| - | | [[dev:sql:functions:upper | UPPER ]] | UPPER(column)| Convert all characters in a character expression to upper case. | | ||
| - | | [[dev:sql:functions:concatenation | \|\| (Concatenation) ]] | char_expr \|\| char_expr | Concatenate multiple character expressions into a single character expression. | | ||
| - | | [[dev:sql:functions:lj | $LJ ]] | $LJ(char_expr) | Left justify a character expression eliminating leading white space. | | ||
| - | | [[dev:sql:functions:lpad | $LPAD ]] | $LPAD(char_expr, len [, pad_char ])| Add leading 'pad' characters to a character expression. | | ||
| - | | [[dev:sql:functions:proper | $PROPER ]] | | Shift the first letter of each word in a character expression to upper case and all other letters to lower case. | | ||
| - | | [[dev:sql:functions:rj | $RJ ]] | $RJ(char_expr) | Right justify a character expression eliminating trailing white space. | | ||
| - | | [[dev:sql:functions:rpad | $RPAD ]] | $RPAD(char_expr, len [, pad_char ])| Add trailing 'pad' characters to a character expression. | | ||
| + | ====== Omnidex SQL Function Descriptions ====== | ||
| + | |< 100% 18% 24% 58% >| | ||
| + | ^Function ^Parameters ^Description ^ | ||
| + | | ||| | ||
| + | ^**String Functions** ^^^ | ||
| + | | [[dev:sql:functions:character_length | CHAR[ACTER]_LENGTH]] |(char_expr) | Return the number of characters in a string. | | ||
| + | | [[dev:sql:functions:lower | LOWER]] | (char_expr)|Convert all characters in a string to lower case. | | ||
| + | | [[dev:sql:functions:position | POSITION]] | (search_expr IN target_expr)| Return the position of a string within another string. | | ||
| + | | [[dev:sql:functions:substring | SUBSTRING]] | (char_expr FROM pos FOR len)|Return a part of a string starting at FROM position FOR length. | | ||
| + | | [[dev:sql:functions:trim | TRIM ]] | (['char' FROM] column)| Remove leading and trailing spaces or characters from a string. | | ||
| + | | [[dev:sql:functions:upper | UPPER ]] | (column)| Convert all characters in a string to upper case. | | ||
| + | | [[dev:sql:functions:concatenation | || (Concatenation) ]] | char_expr %%||%% char_expr | Concatenate multiple strings into a single string. | | ||
| + | | [[dev:sql:functions:lj | $LJ ]] | (char_expr) | Left justify a string eliminating leading white space. | | ||
| + | | [[dev:sql:functions:lpad | $LPAD ]] | (char_expr, len [, pad_char ])| Add leading 'pad' characters to a string. | | ||
| + | | [[dev:sql:functions:proper | $PROPER ]] | (char_expr) | Upshift the first letter and downshift the rest of each word in a string. | | ||
| + | | [[dev:sql:functions:rj | $RJ ]] | (char_expr) | Right justify a string eliminating trailing white space. | | ||
| + | | [[dev:sql:functions:rpad | $RPAD ]] | (char_expr, len [, pad_char ])| Add trailing 'pad' characters to a string. | | ||
| + | | ||| | ||
| + | ^**Math Functions** ^^^ | ||
| + | | [[dev:sql:functions:abs | ABS ]] | (num_expr) | Returns the absolute value of a numeric expression. | | ||
| + | | [[dev:sql:functions:mod | MOD ]] | (int_expr, divisor) | Returns the integral remainder of one integer expression divided by another. | | ||
| + | | [[dev:sql:functions:round | ROUND ]] | (num_expr [, digits]) | Round a numerical value to the specified number of decimal places. | | ||
| + | | [[dev:sql:functions:trunc | TRUNC ]] | (num_expr [, digits]) | Truncate a numeric expression to the right of the decimal point. | | ||
| + | | [[dev:sql:functions:random | $RANDOM ]] | (num_expr [, seed]) | Return a pseudo-random number. | | ||
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