MarkLogic 12 EA 2 Product Documentationop functions (Data Access Functions)
The following functions are used to access data persisted in the row triple, triple, and lexicon indexes as well as literal row sets constructed in the program.
For more information, see Data Access Functions in the Application Developer's Guide
11 functions
| Function name | Description |
|---|---|
| op.fromDocDescriptors | This function constructs document rows from the docsDescriptors. |
| op.fromDocUris | This function matches and returns the uri for documents. |
| op.fromLexicons | This function dynamically constructs a view from range indexes or the uri or collection lexicons. |
| op.fromLiterals | Constructs a literal row set as in the SQL VALUES or SPARQL VALUES statements. |
| op.fromParam | This function constructs document rows with rows provided by a parameter. |
| op.fromSearch | This function dynamically constructs a row set based on a cts.query where the columns for the document fragment id and score reflecting the degree of match of the document with the query criteria. |
| op.fromSearchDocs | This function matches and returns the uri, content, and score for documents. |
| op.fromSPARQL | This function dynamically constructs a row set based on a SPARQL SELECT query from triples. |
| op.fromSQL | This function dynamically constructs a row set based on a SQL SELECT query from views. |
| op.fromTriples | Reads rows by matching patterns in the triple index. |
| op.fromView | This function reads a row set from a configured view over TDE-indexed rows or a predefined view over range indexes. |