11. Overview PostgreSQL¶
PostgreSQL databases can be created and edited with the functions described here. More information can be found at http://www.postgresql.org.
The dll “rs_pq.dll” must be loaded to enable the interface.
Example:
putenv("path=%path%;c:\Program Files\postgresql\8.2\bin;")
loadlib("rs_pq.dll");
| PostgreSQL-Funkionen | |
|---|---|
| pq_connectdb | pq_connectdb makes a new connection to the database server. |
| pq_error_message | pq_error_message returns the last error message. |
| pq_escape_bytea | pq_escape_bytea prepares binary data (BLOP) of type bytea to use in an SQL command. |
| pq_escape_string | pq_escape_string prepares an SQL string. |
| pq_exec | pq_exec executes an SQL command. |
| pq_finish | pq_finish closes the connection to the server. |
| pq_fname | pq_fname returns a column name of a query result. |
| pq_getvalue | pq_getvalue returns a single field from a query result. |
| pq_nfields | pq_nfields returns the number of columns in the query result. |
| pq_ntuples | pq_ntuples returns the number of rows (tuples) in the query result. |
| pq_result_error_message | pq_result_error_message returns the error message if an error in pq_exec occurred. |
| pq_result_status | pq_result_status returns the status of an SQL command |
| pq_server_version | pq_server_version returns the server version. |
| pq_status | pq_status returns the status of the connection. |
| pq_unescape_bytea | pq_unescape_bytea converts bytea data to binary data. |
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PostgreSQL Data Base Management System
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See also
Overview SQLite, Overview Files, Overview UniPlot Data Files, Overview Binary and Text Files, UniScript Functions Overview
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