Class: Groonga::PrefixOperator
- Defined in:
- ext/groonga/rb-grn-prefix-operator.c
Constant Summary
Constants inherited from Operator
Operator::ADJUST, Operator::AND, Operator::AND_ASSIGN, Operator::AND_NOT, Operator::ASSIGN, Operator::BITWISE_AND, Operator::BITWISE_NOT, Operator::BITWISE_OR, Operator::BITWISE_XOR, Operator::BUT, Operator::CALL, Operator::CJUMP, Operator::COMMA, Operator::DECREMENT, Operator::DECREMENT_POST, Operator::DELETE, Operator::EQUAL, Operator::EXACT, Operator::EXPRESSION_GET_VARIABLE, Operator::FUZZY, Operator::GEO_DISTANCE1, Operator::GEO_DISTANCE2, Operator::GEO_DISTANCE3, Operator::GEO_DISTANCE4, Operator::GEO_WITHINP5, Operator::GEO_WITHINP6, Operator::GEO_WITHINP8, Operator::GET_REFERENCE, Operator::GET_VALUE, Operator::GREATER, Operator::GREATER_EQUAL, Operator::IN, Operator::INCREMENT, Operator::INCREMENT_POST, Operator::INTERN, Operator::JSON_PUT, Operator::JUMP, Operator::LESS, Operator::LESS_EQUAL, Operator::LONGEST_COMMON_PREFIX, Operator::MATCH, Operator::MINUS, Operator::MINUS_ASSIGN, Operator::MODULO, Operator::MODULO_ASSIGN, Operator::NEAR, Operator::NEAR2, Operator::NOT, Operator::NOT_EQUAL, Operator::NO_OPERATION, Operator::OBJECT_SEARCH, Operator::OR, Operator::OR_ASSIGN, Operator::PARTIAL, Operator::PLUS, Operator::PLUS_ASSIGN, Operator::POP, Operator::PREFIX, Operator::PUSH, Operator::REGEXP, Operator::SHIFTL, Operator::SHIFTL_ASSIGN, Operator::SHIFTR, Operator::SHIFTRR, Operator::SHIFTRR_ASSIGN, Operator::SHIRTR_ASSIGN, Operator::SIMILAR, Operator::SLASH, Operator::SLASH_ASSIGN, Operator::STAR, Operator::STAR_ASSIGN, Operator::SUFFIX, Operator::TABLE_CREATE, Operator::TABLE_GROUP, Operator::TABLE_SELECT, Operator::TABLE_SORT, Operator::TERM_EXTRACT, Operator::UNSPLIT, Operator::XOR_ASSIGN
Instance Method Summary collapse
-
#exec(text, prefix, options = {}) ⇒ Boolean
Executes a prefix-search operation.
Methods inherited from Operator
Constructor Details
This class inherits a constructor from Groonga::Operator
Instance Method Details
#exec(text, prefix, options = {}) ⇒ Boolean
Executes a prefix-search operation. Prefix-serach operation checks
whether text
starts with prefix
or not.
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# File 'ext/groonga/rb-grn-prefix-operator.c', line 47
static VALUE
rb_grn_prefix_operator_exec (int argc, VALUE *argv, VALUE self)
{
grn_bool have_prefix;
VALUE rb_text;
VALUE rb_prefix;
VALUE rb_options;
VALUE rb_context;
grn_ctx *context;
grn_obj text;
grn_obj prefix;
rb_scan_args(argc, argv, "21", &rb_text, &rb_prefix, &rb_options);
rb_grn_scan_options(rb_options,
"context", &rb_context,
NULL);
context = rb_grn_context_ensure(&rb_context);
GRN_VOID_INIT(&text);
GRN_VOID_INIT(&prefix);
RVAL2GRNBULK(rb_text, context, &text);
RVAL2GRNBULK(rb_prefix, context, &prefix);
have_prefix = grn_operator_exec_prefix(context, &text, &prefix);
GRN_OBJ_FIN(context, &text);
GRN_OBJ_FIN(context, &prefix);
return CBOOL2RVAL(have_prefix);
}
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