80 lines
2 KiB
C
80 lines
2 KiB
C
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// vim: set noet sta sw=4 ts=4 :
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/*
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Minimal reproduction test case for what seems like
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weird prepared statement binding behavior?
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I don't know. Maybe it's just me.
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https://docs.kuzudb.com/get-started/prepared-statements/
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*/
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#include <stdio.h>
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#include <kuzu.h>
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int main()
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{
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/* Setup */
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kuzu_system_config config = kuzu_default_system_config();
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kuzu_database db;
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kuzu_database_init( "TEST-DB", config, &db );
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kuzu_connection conn;
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kuzu_connection_init( &db, &conn );
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kuzu_query_result q;
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kuzu_prepared_statement stmt;
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char things[3][20] = { "Camel", "Lampshade", "Delicious Cake" };
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/* Schema install */
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if ( kuzu_connection_query(
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&conn,
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"CREATE NODE TABLE Test ( id SERIAL, thing STRING, PRIMARY KEY(id) )",
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&q ) != KuzuSuccess ) {
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printf( "Couldn't create schema?!\n" );
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return( 1 );
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}
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/* Prepare statement */
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if ( kuzu_connection_prepare(
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&conn,
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"CREATE (t:Test {thing: $thing})",
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&stmt
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) != KuzuSuccess ) {
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printf( "Couldn't prepare statement?\n" );
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return( 1 );
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}
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/* Lets make some nodes using the prepared statement. */
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for ( int i = 0; i < 3; i++) {
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printf( "Binding thing: %s\n", things[i] );
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if ( kuzu_prepared_statement_bind_string( &stmt, "thing", things[i] ) != KuzuSuccess ) {
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printf( "Unable to bind thing: %s\n", things[i] );
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}
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if ( kuzu_connection_execute( &conn, &stmt, &q ) != KuzuSuccess ) {
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printf( "Couldn't execute prepared statement.\n" );
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}
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}
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/* Cleanup */
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kuzu_prepared_statement_destroy( &stmt );
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kuzu_query_result_destroy( &q );
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kuzu_connection_destroy( &conn );
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kuzu_database_destroy( &db );
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/* HMM */
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printf( "Okay. Now 'kuzu TEST-DB' and look around.\n" );
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printf( "\"MATCH (t:Test) RETURN t.thing;\", perhaps.\n\n" );
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printf( "I'd expect to see what I thought I bound.\n" );
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printf( "Instead, I see three Camels.\n" );
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printf( "Too many camels!!\n" );
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return 0;
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}
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