147 | substring works with string but not with chari want to select all entities whose name starts with a specific letter, i can use this query with a string parameter select f from Foo f where substring(f.name, 1, 1) = ?1 but when i use a char, the query does not return anything. i think it should also be possible to use char/Character types |
133 | Strings in JPQL and Criteria Queries('China') is evaluated to 5. LOCATE - Locating Substrings The LOCATE(str, substr [, start]) function searches a substring and returns its position. For example: LOCATE('India', 'a') is evaluated to 5 ... character is 1. Zero (0) is returned if the substring is not found. The third argument |
95 | substring(x, from, len)Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, Expression<Integer> from, Expression<Integer> len ) Create an expression for substring extraction. Extracts a substring of given length starting at the specified position. First position is 1 |
95 | substring(x, from)Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, Expression<Integer> from ) Create an expression for substring extraction. Extracts a substring ... - string expression from - start position expression Returns: expression corresponding to substring extraction Since: JPA 2.0 |
95 | substring(x, from, len)Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, int from, int len ) Create an expression for substring extraction. Extracts a substring of given ... from - start position len - length Returns: expression corresponding to substring extraction Since: JPA 2.0 |
95 | substring(x, from)Method javax.persistence.criteria.CriteriaBuilder Expression<String> substring( Expression<String> x, int from ) Create an expression for substring extraction. Extracts a substring starting ... expression from - start position Returns: expression corresponding to substring extraction Since: JPA 2.0 |
95 | substring(x, from, len)Method javax.persistence.criteria.CriteriaBuilder Expression<T> substring( Expression<T> x, Expression<T> from, Expression<T> len ) Create an expression for substring extraction. Extracts a substring ... expression from - start position expression len - length expression Returns: expression corresponding to substring extraction Since: JPA 2.0 |
56 | GROUP BY and HAVING clauses (no Aggregates) The following query groups all the countries by their first letter: SELECT SUBSTRING(c.name, 1, 1) FROM Country c GROUP BY SUBSTRING(c.name, 1, 1); The FROM clause defines iteration ... (which does not use aggregates) is equivalent to the following query: SELECT DISTINCT SUBSTRING(c |
34 | javax.persistence.criteria.CriteriaBuilder Returns: square root Since: JPA 2.0 Expression<String> substring( Expression<String> x, int from) Create an expression for substring extraction. Create an expression for substring extraction. Extracts a substring starting at the specified position through to end of the string. First position is 1 |
25 | FROM clause (JPQL / Criteria API), NOT, NULL, NULLIF, OBJECT, OF, OR, ORDER, OUTER, POSITION, SELECT, SET, SIZE, SOME, SQRT, SUBSTRING |
