About substring

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Manual
20

FROM clause (JPQL / Criteria API)

, SUBSTRING, SUM, THEN,TRAILING, TRIM, TRUE, TYPE, UNKNOWN, UPDATE, UPPER, VALUE, WHEN, WHERE. JPQL
Manual
20

JPA Criteria API Queries

, substring, ...). Collection expressions (isEmpty, isNotEmpty, isMember, isNotMember, size). Comparison
Result
20

ObjectDB Object Database Features [2018-01-27]

(LIKE, CONCAT, TRIM, SUBSTRING, ...). JPQL collection operators & functions (IS EMPTY, MEMBER OF, SIZE
Result
20

ObjectDB Object Database Features [2018-10-27]

(LIKE, CONCAT, TRIM, SUBSTRING, ...). JPQL collection operators & functions (IS EMPTY, MEMBER OF, SIZE
Result
20

ObjectDB Object Database Features

, SUBSTRING, ...). JPQL collection operators & functions (IS EMPTY, MEMBER OF, SIZE). Java standard methods
Forum
2

order by string with numbers

  The sql that works is ORDER BY CAST(SUBSTR(username FROM 4) AS UNSIGNED) ASC Using JPQL SELECT u FROM Users u ORDER BY SUBSTRING(u.username,4)*1 ASC If you have other alternative for JPA
Issue
2

com.objectdb.o.InternalException: null

ParseException {         String dateOfBirthStr = personalNumber.substring(0, 8
Forum
2

Database size is much larger than expected (x2)

++){    Uris uri = new Uris();    String sLine;    sLine = sss.substring(rd.nextInt(100));    uri
Forum
2

Partial Indexing

I have a question about partial indexing. For example, a field of String type ttt, will be distinguished by the first 5 characters, then I can make a index of substr(ttt,1,5) in MySQL. With ObjectDB, how can I write the annotation for this purpose? TIA Currently ObjectDB supports only indexing