/**
* Builds a SELECT statement
*
* @param array $definition
* @return string
*/
PHP_METHOD(Phalcon_Db_Dialect_Oracle, select){
zval *definition, *escape_char = NULL, *columns, *selected_columns, *distinct;
zval *column = NULL, *column_item = NULL, *column_sql = NULL, *columns_sql = NULL;
zval *column_domain = NULL, *column_domain_sql = NULL, *column_alias = NULL;
zval *column_alias_sql = NULL, *tables, *selected_tables;
zval *table = NULL, *sql_table = NULL, *tables_sql = NULL, *sql, *joins;
zval *join = NULL, *type = NULL, *sql_join = NULL, *join_conditions_array = NULL;
zval *join_expressions = NULL, *join_condition = NULL, *join_expression = NULL;
zval *join_conditions = NULL, *where_conditions;
zval *where_expression = NULL, *group_items, *group_fields;
zval *group_field = NULL, *group_expression = NULL, *group_sql;
zval *group_clause, *having_conditions, *having_expression = NULL;
zval *order_fields, *order_items, *order_item = NULL;
zval *order_expression = NULL, *order_sql_item = NULL, *sql_order_type = NULL;
zval *order_sql_item_type = NULL, *order_sql, *limit_value;
zval *number, *offset, *tmp1 = NULL, *tmp2 = NULL;
zval *z_one, *ini_range, *end_range = NULL, *sql_limit;
HashTable *ah0, *ah1, *ah2, *ah3, *ah4, *ah5;
HashPosition hp0, hp1, hp2, hp3, hp4, hp5;
zval **hd;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &definition) == FAILURE) {
RETURN_NULL();
}
if (Z_TYPE_P(definition) != IS_ARRAY) {
PHALCON_THROW_EXCEPTION_STRW(phalcon_db_exception_ce, "Invalid SELECT definition");
return;
}
if (!phalcon_array_isset_string(definition, SS("tables"))) {
PHALCON_THROW_EXCEPTION_STRW(phalcon_db_exception_ce, "The index 'tables' is required in the definition array");
return;
}
if (!phalcon_array_isset_string(definition, SS("columns"))) {
PHALCON_THROW_EXCEPTION_STRW(phalcon_db_exception_ce, "The index 'columns' is required in the definition array");
return;
}
PHALCON_MM_GROW();
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_OBS_VAR(escape_char);
phalcon_read_property_this(&escape_char, this_ptr, SL("_escapeChar"), PH_NOISY TSRMLS_CC);
} else {
PHALCON_INIT_NVAR(escape_char);
}
PHALCON_OBS_VAR(columns);
phalcon_array_fetch_string(&columns, definition, SL("columns"), PH_NOISY);
if (Z_TYPE_P(columns) == IS_ARRAY) {
PHALCON_INIT_VAR(selected_columns);
array_init(selected_columns);
phalcon_is_iterable(columns, &ah0, &hp0, 0, 0);
while (zend_hash_get_current_data_ex(ah0, (void**) &hd, &hp0) == SUCCESS) {
PHALCON_GET_HVALUE(column);
/**
* Escape column name
*/
PHALCON_OBS_NVAR(column_item);
phalcon_array_fetch_long(&column_item, column, 0, PH_NOISY);
if (Z_TYPE_P(column_item) == IS_ARRAY) {
PHALCON_CALL_METHOD(&column_sql, this_ptr, "getsqlexpression", column_item, escape_char);
} else if (PHALCON_IS_STRING(column_item, "*")) {
PHALCON_CPY_WRT(column_sql, column_item);
} else if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_NVAR(column_sql);
PHALCON_CONCAT_VVV(column_sql, escape_char, column_item, escape_char);
} else {
PHALCON_CPY_WRT(columns_sql, column_item);
}
/**
* Escape column domain
*/
if (phalcon_array_isset_long(column, 1)) {
PHALCON_OBS_NVAR(column_domain);
phalcon_array_fetch_long(&column_domain, column, 1, PH_NOISY);
if (zend_is_true(column_domain)) {
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_NVAR(column_domain_sql);
PHALCON_CONCAT_VVVSV(column_domain_sql, escape_char, column_domain, escape_char, ".", column_sql);
} else {
PHALCON_INIT_NVAR(column_domain_sql);
PHALCON_CONCAT_VSV(column_domain_sql, column_domain, ".", column_sql);
}
} else {
PHALCON_CPY_WRT(column_domain_sql, column_sql);
}
} else {
PHALCON_CPY_WRT(column_domain_sql, column_sql);
}
/**
* Escape column alias
*/
if (phalcon_array_isset_long(column, 2)) {
PHALCON_OBS_NVAR(column_alias);
phalcon_array_fetch_long(&column_alias, column, 2, PH_NOISY);
if (zend_is_true(column_alias)) {
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_NVAR(column_alias_sql);
PHALCON_CONCAT_VSVVV(column_alias_sql, column_domain_sql, " ", escape_char, column_alias, escape_char);
} else {
PHALCON_INIT_NVAR(column_alias_sql);
PHALCON_CONCAT_VSV(column_alias_sql, column_domain_sql, " ", column_alias);
}
} else {
PHALCON_CPY_WRT(column_alias_sql, column_domain_sql);
}
} else {
PHALCON_CPY_WRT(column_alias_sql, column_domain_sql);
}
phalcon_array_append(&selected_columns, column_alias_sql, PH_SEPARATE);
zend_hash_move_forward_ex(ah0, &hp0);
}
PHALCON_INIT_VAR(columns_sql);
phalcon_fast_join_str(columns_sql, SL(", "), selected_columns TSRMLS_CC);
} else {
PHALCON_CPY_WRT(columns_sql, columns);
}
/**
* Check and escape tables
*/
PHALCON_OBS_VAR(tables);
phalcon_array_fetch_string(&tables, definition, SL("tables"), PH_NOISY);
if (Z_TYPE_P(tables) == IS_ARRAY) {
PHALCON_INIT_VAR(selected_tables);
array_init(selected_tables);
phalcon_is_iterable(tables, &ah1, &hp1, 0, 0);
while (zend_hash_get_current_data_ex(ah1, (void**) &hd, &hp1) == SUCCESS) {
PHALCON_GET_HVALUE(table);
PHALCON_CALL_METHOD(&sql_table, this_ptr, "getsqltable", table, escape_char);
phalcon_array_append(&selected_tables, sql_table, PH_SEPARATE);
zend_hash_move_forward_ex(ah1, &hp1);
}
PHALCON_INIT_VAR(tables_sql);
phalcon_fast_join_str(tables_sql, SL(", "), selected_tables TSRMLS_CC);
} else {
PHALCON_CPY_WRT(tables_sql, tables);
}
PHALCON_INIT_VAR(sql);
if (phalcon_array_isset_string_fetch(&distinct, definition, SS("definition"))) {
assert(Z_TYPE_P(distinct) == IS_LONG);
if (Z_LVAL_P(distinct) == 0) {
ZVAL_STRING(sql, "SELECT ALL ", 1);
}
else if (Z_LVAL_P(distinct) == 1) {
ZVAL_STRING(sql, "SELECT DISTINCT ", 1);
}
else {
ZVAL_STRING(sql, "SELECT ", 1);
}
}
else {
ZVAL_STRING(sql, "SELECT ", 1);
}
/**
* Check for joins
*/
if (phalcon_array_isset_string(definition, SS("joins"))) {
PHALCON_OBS_VAR(joins);
phalcon_array_fetch_string(&joins, definition, SL("joins"), PH_NOISY);
phalcon_is_iterable(joins, &ah2, &hp2, 0, 0);
while (zend_hash_get_current_data_ex(ah2, (void**) &hd, &hp2) == SUCCESS) {
PHALCON_GET_HVALUE(join);
PHALCON_OBS_NVAR(type);
phalcon_array_fetch_string(&type, join, SL("type"), PH_NOISY);
PHALCON_OBS_NVAR(table);
phalcon_array_fetch_string(&table, join, SL("source"), PH_NOISY);
PHALCON_CALL_METHOD(&sql_table, this_ptr, "getsqltable", table, escape_char);
phalcon_array_append(&selected_tables, sql_table, PH_SEPARATE);
PHALCON_INIT_NVAR(sql_join);
PHALCON_CONCAT_SVSV(sql_join, " ", type, " JOIN ", sql_table);
/**
* Check if the join has conditions
*/
if (phalcon_array_isset_string(join, SS("conditions"))) {
PHALCON_OBS_NVAR(join_conditions_array);
phalcon_array_fetch_string(&join_conditions_array, join, SL("conditions"), PH_NOISY);
if (phalcon_fast_count_ev(join_conditions_array TSRMLS_CC)) {
PHALCON_INIT_NVAR(join_expressions);
array_init(join_expressions);
phalcon_is_iterable(join_conditions_array, &ah3, &hp3, 0, 0);
while (zend_hash_get_current_data_ex(ah3, (void**) &hd, &hp3) == SUCCESS) {
PHALCON_GET_HVALUE(join_condition);
PHALCON_CALL_METHOD(&join_expression, this_ptr, "getsqlexpression", join_condition, escape_char);
phalcon_array_append(&join_expressions, join_expression, PH_SEPARATE);
zend_hash_move_forward_ex(ah3, &hp3);
}
PHALCON_INIT_NVAR(join_conditions);
phalcon_fast_join_str(join_conditions, SL(" AND "), join_expressions TSRMLS_CC);
PHALCON_SCONCAT_SV(sql_join, " ON ", join_conditions);
}
}
phalcon_concat_self(&sql, sql_join TSRMLS_CC);
zend_hash_move_forward_ex(ah2, &hp2);
}
}
/**
* Check for a WHERE clause
*/
if (phalcon_array_isset_string(definition, SS("where"))) {
PHALCON_OBS_VAR(where_conditions);
phalcon_array_fetch_string(&where_conditions, definition, SL("where"), PH_NOISY);
if (Z_TYPE_P(where_conditions) == IS_ARRAY) {
PHALCON_CALL_METHOD(&where_expression, this_ptr, "getsqlexpression", where_conditions, escape_char);
PHALCON_SCONCAT_SV(sql, " WHERE ", where_expression);
} else {
PHALCON_SCONCAT_SV(sql, " WHERE ", where_conditions);
}
}
/**
* Check for a GROUP clause
*/
if (phalcon_array_isset_string(definition, SS("group"))) {
PHALCON_INIT_VAR(group_items);
array_init(group_items);
PHALCON_OBS_VAR(group_fields);
phalcon_array_fetch_string(&group_fields, definition, SL("group"), PH_NOISY);
phalcon_is_iterable(group_fields, &ah4, &hp4, 0, 0);
while (zend_hash_get_current_data_ex(ah4, (void**) &hd, &hp4) == SUCCESS) {
PHALCON_GET_HVALUE(group_field);
PHALCON_CALL_METHOD(&group_expression, this_ptr, "getsqlexpression", group_field, escape_char);
phalcon_array_append(&group_items, group_expression, PH_SEPARATE);
zend_hash_move_forward_ex(ah4, &hp4);
}
PHALCON_INIT_VAR(group_sql);
phalcon_fast_join_str(group_sql, SL(", "), group_items TSRMLS_CC);
PHALCON_INIT_VAR(group_clause);
PHALCON_CONCAT_SV(group_clause, " GROUP BY ", group_sql);
phalcon_concat_self(&sql, group_clause TSRMLS_CC);
}
/**
* Check for a HAVING clause
*/
if (phalcon_array_isset_string(definition, SS("having"))) {
PHALCON_OBS_VAR(having_conditions);
phalcon_array_fetch_string(&having_conditions, definition, SL("having"), PH_NOISY);
PHALCON_CALL_METHOD(&having_expression, this_ptr, "getsqlexpression", having_conditions, escape_char);
PHALCON_SCONCAT_SV(sql, " HAVING ", having_expression);
}
/**
* Check for a ORDER clause
*/
if (phalcon_array_isset_string(definition, SS("order"))) {
PHALCON_OBS_VAR(order_fields);
phalcon_array_fetch_string(&order_fields, definition, SL("order"), PH_NOISY);
PHALCON_INIT_VAR(order_items);
array_init(order_items);
phalcon_is_iterable(order_fields, &ah5, &hp5, 0, 0);
while (zend_hash_get_current_data_ex(ah5, (void**) &hd, &hp5) == SUCCESS) {
PHALCON_GET_HVALUE(order_item);
PHALCON_OBS_NVAR(order_expression);
phalcon_array_fetch_long(&order_expression, order_item, 0, PH_NOISY);
PHALCON_CALL_METHOD(&order_sql_item, this_ptr, "getsqlexpression", order_expression, escape_char);
/**
* In the numeric 1 position could be a ASC/DESC clause
*/
if (phalcon_array_isset_long(order_item, 1)) {
PHALCON_OBS_NVAR(sql_order_type);
phalcon_array_fetch_long(&sql_order_type, order_item, 1, PH_NOISY);
PHALCON_INIT_NVAR(order_sql_item_type);
PHALCON_CONCAT_VSV(order_sql_item_type, order_sql_item, " ", sql_order_type);
} else {
PHALCON_CPY_WRT(order_sql_item_type, order_sql_item);
}
phalcon_array_append(&order_items, order_sql_item_type, PH_SEPARATE);
zend_hash_move_forward_ex(ah5, &hp5);
}
PHALCON_INIT_VAR(order_sql);
phalcon_fast_join_str(order_sql, SL(", "), order_items TSRMLS_CC);
PHALCON_SCONCAT_SV(sql, " ORDER BY ", order_sql);
}
/**
* Oracle does not implement the LIMIT clause as some RDBMS do.
* We have to simulate it with subqueries and ROWNUM.
* Unfortunately because we use the column wildcard "*",
* this puts an extra column into the query result set.
*/
if (phalcon_array_isset_string_fetch(&limit_value, definition, SS("limit"))) {
if (likely(Z_TYPE_P(limit_value) == IS_ARRAY)) {
if (likely(phalcon_array_isset_string_fetch(&number, limit_value, SS("number")))) {
PHALCON_OBS_NVAR(tmp1);
phalcon_array_fetch_string(&tmp1, number, SL("value"), PH_NOISY);
if (phalcon_array_isset_string_fetch(&offset, limit_value, SS("offset"))) {
PHALCON_OBS_NVAR(tmp2);
phalcon_array_fetch_string(&tmp2, offset, SL("value"), PH_NOISY);
} else {
PHALCON_INIT_NVAR(tmp2);
ZVAL_LONG(tmp2, 0);
}
z_one = PHALCON_GLOBAL(z_one);
PHALCON_INIT_VAR(ini_range);
phalcon_add_function(ini_range, tmp2, z_one TSRMLS_CC);
PHALCON_INIT_VAR(end_range);
phalcon_add_function(end_range, tmp2, tmp1 TSRMLS_CC);
PHALCON_INIT_VAR(sql_limit);
PHALCON_SCONCAT_SVSVSV(sql_limit,"SELECT Z2.* FROM (SELECT Z1.*, ROWNUM DB_ROWNUM FROM ( ", sql, " ) Z1 ) Z2 WHERE Z2.DB_ROWNUM BETWEEN ", ini_range , " AND ", end_range );
PHALCON_CPY_WRT(sql, sql_limit);
}
} else {
PHALCON_INIT_VAR(ini_range);
ZVAL_LONG(ini_range, 1);
PHALCON_CPY_WRT(end_range, limit_value);
PHALCON_INIT_VAR(sql_limit);
PHALCON_SCONCAT_SVSVSV(sql_limit,"SELECT Z2.* FROM (SELECT Z1.*, ROWNUM DB_ROWNUM FROM ( ", sql, " ) Z1 ) Z2 WHERE Z2.DB_ROWNUM BETWEEN ", ini_range , " AND ", end_range );
PHALCON_CPY_WRT(sql, sql_limit);
}
}
RETURN_CTOR(sql);
}
/**
* Builds a SELECT statement
*
* @param array $definition
* @return string
*/
PHP_METHOD(Phalcon_Db_Dialect, select){
zval *definition, *escape_char = NULL, *columns, *selected_columns;
zval *column = NULL, *column_item = NULL, *column_sql = NULL, *columns_sql = NULL;
zval *column_domain = NULL, *column_domain_sql = NULL, *column_alias = NULL;
zval *column_alias_sql = NULL, *tables, *selected_tables;
zval *table = NULL, *sql_table = NULL, *tables_sql = NULL, *sql, *joins;
zval *join = NULL, *type = NULL, *sql_join = NULL, *join_conditions_array = NULL;
zval *join_expressions = NULL, *join_condition = NULL, *join_expression = NULL;
zval *join_conditions = NULL, *where_conditions;
zval *where_expression, *group_items, *group_fields;
zval *group_field = NULL, *group_expression = NULL, *group_sql;
zval *group_clause, *having_conditions, *having_expression;
zval *order_fields, *order_items, *order_item = NULL;
zval *order_expression = NULL, *order_sql_item = NULL, *sql_order_type = NULL;
zval *order_sql_item_type = NULL, *order_sql, *limit_value;
zval *number, *offset;
HashTable *ah0, *ah1, *ah2, *ah3, *ah4, *ah5;
HashPosition hp0, hp1, hp2, hp3, hp4, hp5;
zval **hd;
PHALCON_MM_GROW();
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &definition) == FAILURE) {
RETURN_MM_NULL();
}
if (Z_TYPE_P(definition) != IS_ARRAY) {
PHALCON_THROW_EXCEPTION_STR(phalcon_db_exception_ce, "Invalid SELECT definition");
return;
}
if (!phalcon_array_isset_string(definition, SS("tables"))) {
PHALCON_THROW_EXCEPTION_STR(phalcon_db_exception_ce, "The index 'tables' is required in the definition array");
return;
}
if (!phalcon_array_isset_string(definition, SS("columns"))) {
PHALCON_THROW_EXCEPTION_STR(phalcon_db_exception_ce, "The index 'columns' is required in the definition array");
return;
}
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_OBS_VAR(escape_char);
phalcon_read_property(&escape_char, this_ptr, SL("_escapeChar"), PH_NOISY_CC);
} else {
PHALCON_INIT_NVAR(escape_char);
}
PHALCON_OBS_VAR(columns);
phalcon_array_fetch_string(&columns, definition, SL("columns"), PH_NOISY_CC);
if (Z_TYPE_P(columns) == IS_ARRAY) {
PHALCON_INIT_VAR(selected_columns);
array_init(selected_columns);
if (!phalcon_is_iterable(columns, &ah0, &hp0, 0, 0 TSRMLS_CC)) {
return;
}
while (zend_hash_get_current_data_ex(ah0, (void**) &hd, &hp0) == SUCCESS) {
PHALCON_GET_FOREACH_VALUE(column);
/**
* Escape column name
*/
PHALCON_OBS_NVAR(column_item);
phalcon_array_fetch_long(&column_item, column, 0, PH_NOISY_CC);
if (Z_TYPE_P(column_item) == IS_ARRAY) {
PHALCON_INIT_NVAR(column_sql);
PHALCON_CALL_METHOD_PARAMS_2(column_sql, this_ptr, "getsqlexpression", column_item, escape_char);
} else {
if (PHALCON_IS_STRING(column_item, "*")) {
PHALCON_CPY_WRT(column_sql, column_item);
} else {
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_NVAR(column_sql);
PHALCON_CONCAT_VVV(column_sql, escape_char, column_item, escape_char);
} else {
PHALCON_CPY_WRT(columns_sql, column_item);
}
}
}
/**
* Escape column domain
*/
PHALCON_OBS_NVAR(column_domain);
phalcon_array_fetch_long(&column_domain, column, 1, PH_NOISY_CC);
if (zend_is_true(column_domain)) {
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_NVAR(column_domain_sql);
PHALCON_CONCAT_VVVSV(column_domain_sql, escape_char, column_domain, escape_char, ".", column_sql);
} else {
PHALCON_INIT_NVAR(column_domain_sql);
PHALCON_CONCAT_VSV(column_domain_sql, column_domain, ".", column_sql);
}
} else {
PHALCON_CPY_WRT(column_domain_sql, column_sql);
}
/**
* Escape column alias
*/
if (phalcon_array_isset_long(column, 2)) {
PHALCON_OBS_NVAR(column_alias);
phalcon_array_fetch_long(&column_alias, column, 2, PH_NOISY_CC);
if (zend_is_true(column_alias)) {
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_NVAR(column_alias_sql);
PHALCON_CONCAT_VSVVV(column_alias_sql, column_domain_sql, " AS ", escape_char, column_alias, escape_char);
} else {
PHALCON_INIT_NVAR(column_alias_sql);
PHALCON_CONCAT_VSV(column_alias_sql, column_domain_sql, " AS ", column_alias);
}
} else {
PHALCON_CPY_WRT(column_alias_sql, column_domain_sql);
}
} else {
PHALCON_CPY_WRT(column_alias_sql, column_domain_sql);
}
phalcon_array_append(&selected_columns, column_alias_sql, PH_SEPARATE TSRMLS_CC);
zend_hash_move_forward_ex(ah0, &hp0);
}
PHALCON_INIT_VAR(columns_sql);
phalcon_fast_join_str(columns_sql, SL(", "), selected_columns TSRMLS_CC);
} else {
PHALCON_CPY_WRT(columns_sql, columns);
}
/**
* Check and escape tables
*/
PHALCON_OBS_VAR(tables);
phalcon_array_fetch_string(&tables, definition, SL("tables"), PH_NOISY_CC);
if (Z_TYPE_P(tables) == IS_ARRAY) {
PHALCON_INIT_VAR(selected_tables);
array_init(selected_tables);
if (!phalcon_is_iterable(tables, &ah1, &hp1, 0, 0 TSRMLS_CC)) {
return;
}
while (zend_hash_get_current_data_ex(ah1, (void**) &hd, &hp1) == SUCCESS) {
PHALCON_GET_FOREACH_VALUE(table);
PHALCON_INIT_NVAR(sql_table);
PHALCON_CALL_METHOD_PARAMS_2(sql_table, this_ptr, "getsqltable", table, escape_char);
phalcon_array_append(&selected_tables, sql_table, PH_SEPARATE TSRMLS_CC);
zend_hash_move_forward_ex(ah1, &hp1);
}
PHALCON_INIT_VAR(tables_sql);
phalcon_fast_join_str(tables_sql, SL(", "), selected_tables TSRMLS_CC);
} else {
PHALCON_CPY_WRT(tables_sql, tables);
}
PHALCON_INIT_VAR(sql);
PHALCON_CONCAT_SVSV(sql, "SELECT ", columns_sql, " FROM ", tables_sql);
/**
* Check for joins
*/
if (phalcon_array_isset_string(definition, SS("joins"))) {
PHALCON_OBS_VAR(joins);
phalcon_array_fetch_string(&joins, definition, SL("joins"), PH_NOISY_CC);
if (!phalcon_is_iterable(joins, &ah2, &hp2, 0, 0 TSRMLS_CC)) {
return;
}
while (zend_hash_get_current_data_ex(ah2, (void**) &hd, &hp2) == SUCCESS) {
PHALCON_GET_FOREACH_VALUE(join);
PHALCON_OBS_NVAR(type);
phalcon_array_fetch_string(&type, join, SL("type"), PH_NOISY_CC);
PHALCON_OBS_NVAR(table);
phalcon_array_fetch_string(&table, join, SL("source"), PH_NOISY_CC);
PHALCON_INIT_NVAR(sql_table);
PHALCON_CALL_METHOD_PARAMS_2(sql_table, this_ptr, "getsqltable", table, escape_char);
phalcon_array_append(&selected_tables, sql_table, PH_SEPARATE TSRMLS_CC);
PHALCON_INIT_NVAR(sql_join);
PHALCON_CONCAT_SVSV(sql_join, " ", type, " JOIN ", sql_table);
/**
* Check if the join has conditions
*/
if (phalcon_array_isset_string(join, SS("conditions"))) {
PHALCON_OBS_NVAR(join_conditions_array);
phalcon_array_fetch_string(&join_conditions_array, join, SL("conditions"), PH_NOISY_CC);
if (phalcon_fast_count_ev(join_conditions_array TSRMLS_CC)) {
PHALCON_INIT_NVAR(join_expressions);
array_init(join_expressions);
if (!phalcon_is_iterable(join_conditions_array, &ah3, &hp3, 0, 0 TSRMLS_CC)) {
return;
}
while (zend_hash_get_current_data_ex(ah3, (void**) &hd, &hp3) == SUCCESS) {
PHALCON_GET_FOREACH_VALUE(join_condition);
PHALCON_INIT_NVAR(join_expression);
PHALCON_CALL_METHOD_PARAMS_2(join_expression, this_ptr, "getsqlexpression", join_condition, escape_char);
phalcon_array_append(&join_expressions, join_expression, PH_SEPARATE TSRMLS_CC);
zend_hash_move_forward_ex(ah3, &hp3);
}
PHALCON_INIT_NVAR(join_conditions);
phalcon_fast_join_str(join_conditions, SL(" AND "), join_expressions TSRMLS_CC);
PHALCON_SCONCAT_SV(sql_join, " ON ", join_conditions);
}
}
phalcon_concat_self(&sql, sql_join TSRMLS_CC);
zend_hash_move_forward_ex(ah2, &hp2);
}
}
/**
* Check for a WHERE clause
*/
if (phalcon_array_isset_string(definition, SS("where"))) {
PHALCON_OBS_VAR(where_conditions);
phalcon_array_fetch_string(&where_conditions, definition, SL("where"), PH_NOISY_CC);
PHALCON_INIT_VAR(where_expression);
PHALCON_CALL_METHOD_PARAMS_2(where_expression, this_ptr, "getsqlexpression", where_conditions, escape_char);
PHALCON_SCONCAT_SV(sql, " WHERE ", where_expression);
}
/**
* Check for a GROUP clause
*/
if (phalcon_array_isset_string(definition, SS("group"))) {
PHALCON_INIT_VAR(group_items);
array_init(group_items);
PHALCON_OBS_VAR(group_fields);
phalcon_array_fetch_string(&group_fields, definition, SL("group"), PH_NOISY_CC);
if (!phalcon_is_iterable(group_fields, &ah4, &hp4, 0, 0 TSRMLS_CC)) {
return;
}
while (zend_hash_get_current_data_ex(ah4, (void**) &hd, &hp4) == SUCCESS) {
PHALCON_GET_FOREACH_VALUE(group_field);
PHALCON_INIT_NVAR(group_expression);
PHALCON_CALL_METHOD_PARAMS_2(group_expression, this_ptr, "getsqlexpression", group_field, escape_char);
phalcon_array_append(&group_items, group_expression, PH_SEPARATE TSRMLS_CC);
zend_hash_move_forward_ex(ah4, &hp4);
}
PHALCON_INIT_VAR(group_sql);
phalcon_fast_join_str(group_sql, SL(", "), group_items TSRMLS_CC);
PHALCON_INIT_VAR(group_clause);
PHALCON_CONCAT_SV(group_clause, " GROUP BY ", group_sql);
phalcon_concat_self(&sql, group_clause TSRMLS_CC);
/**
* Check for a HAVING clause
*/
if (phalcon_array_isset_string(definition, SS("having"))) {
PHALCON_OBS_VAR(having_conditions);
phalcon_array_fetch_string(&having_conditions, definition, SL("having"), PH_NOISY_CC);
PHALCON_INIT_VAR(having_expression);
PHALCON_CALL_METHOD_PARAMS_2(having_expression, this_ptr, "getsqlexpression", having_conditions, escape_char);
PHALCON_SCONCAT_SV(sql, " HAVING ", having_expression);
}
}
/**
* Check for a ORDER clause
*/
if (phalcon_array_isset_string(definition, SS("order"))) {
PHALCON_OBS_VAR(order_fields);
phalcon_array_fetch_string(&order_fields, definition, SL("order"), PH_NOISY_CC);
PHALCON_INIT_VAR(order_items);
array_init(order_items);
if (!phalcon_is_iterable(order_fields, &ah5, &hp5, 0, 0 TSRMLS_CC)) {
return;
}
while (zend_hash_get_current_data_ex(ah5, (void**) &hd, &hp5) == SUCCESS) {
PHALCON_GET_FOREACH_VALUE(order_item);
PHALCON_OBS_NVAR(order_expression);
phalcon_array_fetch_long(&order_expression, order_item, 0, PH_NOISY_CC);
PHALCON_INIT_NVAR(order_sql_item);
PHALCON_CALL_METHOD_PARAMS_2(order_sql_item, this_ptr, "getsqlexpression", order_expression, escape_char);
/**
* In the numeric 1 position could be a ASC/DESC clause
*/
if (phalcon_array_isset_long(order_item, 1)) {
PHALCON_OBS_NVAR(sql_order_type);
phalcon_array_fetch_long(&sql_order_type, order_item, 1, PH_NOISY_CC);
PHALCON_INIT_NVAR(order_sql_item_type);
PHALCON_CONCAT_VSV(order_sql_item_type, order_sql_item, " ", sql_order_type);
} else {
PHALCON_CPY_WRT(order_sql_item_type, order_sql_item);
}
phalcon_array_append(&order_items, order_sql_item_type, PH_SEPARATE TSRMLS_CC);
zend_hash_move_forward_ex(ah5, &hp5);
}
PHALCON_INIT_VAR(order_sql);
phalcon_fast_join_str(order_sql, SL(", "), order_items TSRMLS_CC);
PHALCON_SCONCAT_SV(sql, " ORDER BY ", order_sql);
}
/**
* Check for a LIMIT condition
*/
if (phalcon_array_isset_string(definition, SS("limit"))) {
PHALCON_OBS_VAR(limit_value);
phalcon_array_fetch_string(&limit_value, definition, SL("limit"), PH_NOISY_CC);
if (Z_TYPE_P(limit_value) == IS_ARRAY) {
PHALCON_OBS_VAR(number);
phalcon_array_fetch_string(&number, limit_value, SL("number"), PH_NOISY_CC);
/**
* Check for a OFFSET condition
*/
if (phalcon_array_isset_string(limit_value, SS("offset"))) {
PHALCON_OBS_VAR(offset);
phalcon_array_fetch_string(&offset, limit_value, SL("offset"), PH_NOISY_CC);
PHALCON_SCONCAT_SVSV(sql, " LIMIT ", number, " OFFSET ", offset);
} else {
PHALCON_SCONCAT_SV(sql, " LIMIT ", number);
}
} else {
PHALCON_SCONCAT_SV(sql, " LIMIT ", limit_value);
}
}
RETURN_CTOR(sql);
}
/**
* Transform an intermediate representation for a schema/table into a database system valid expression
*
* @param array $table
* @param string $escapeChar
* @return string
*/
PHP_METHOD(Phalcon_Db_Dialect_Oracle, getSqlTable){
zval *table, *escape_char = NULL, *table_name, *sql_table = NULL;
zval *schema_name, *sql_schema = NULL, *alias_name;
zval *sql_table_alias = NULL;
PHALCON_MM_GROW();
phalcon_fetch_params(1, 1, 1, &table, &escape_char);
if (!escape_char) {
PHALCON_INIT_VAR(escape_char);
} else {
PHALCON_SEPARATE_PARAM(escape_char);
}
if (Z_TYPE_P(escape_char) == IS_NULL) {
PHALCON_OBS_NVAR(escape_char);
phalcon_read_property_this(&escape_char, this_ptr, SL("_escapeChar"), PH_NOISY TSRMLS_CC);
}
if (Z_TYPE_P(table) == IS_ARRAY) {
/**
* The index '0' is the table name
*/
PHALCON_OBS_VAR(table_name);
phalcon_array_fetch_long(&table_name, table, 0, PH_NOISY);
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_VAR(sql_table);
PHALCON_CONCAT_VVV(sql_table, escape_char, table_name, escape_char);
} else {
PHALCON_CPY_WRT(sql_table, table_name);
}
/**
* The index '1' is the schema name
*/
PHALCON_OBS_VAR(schema_name);
phalcon_array_fetch_long(&schema_name, table, 1, PH_NOISY);
if (Z_TYPE_P(schema_name) != IS_NULL) {
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_VAR(sql_schema);
PHALCON_CONCAT_VVVSV(sql_schema, escape_char, schema_name, escape_char, ".", sql_table);
} else {
PHALCON_INIT_NVAR(sql_schema);
PHALCON_CONCAT_VSV(sql_schema, schema_name, ".", sql_table);
}
} else {
PHALCON_CPY_WRT(sql_schema, sql_table);
}
/**
* The index '2' is the table alias
*/
if (phalcon_array_isset_long(table, 2)) {
PHALCON_OBS_VAR(alias_name);
phalcon_array_fetch_long(&alias_name, table, 2, PH_NOISY);
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_VAR(sql_table_alias);
PHALCON_CONCAT_VSVVV(sql_table_alias, sql_schema, " ", escape_char, alias_name, escape_char);
} else {
PHALCON_INIT_NVAR(sql_table_alias);
PHALCON_CONCAT_VSV(sql_table_alias, sql_schema, " ", alias_name);
}
} else {
PHALCON_CPY_WRT(sql_table_alias, sql_schema);
}
RETURN_CTOR(sql_table_alias);
}
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_NVAR(sql_table);
PHALCON_CONCAT_VVV(sql_table, escape_char, table, escape_char);
RETURN_CTOR(sql_table);
}
RETURN_CTOR(table);
}
/**
* Transforms an intermediate representation for a expression into a database system valid expression
*
* @param array $expression
* @param string $escapeChar
* @return string
*/
PHP_METHOD(Phalcon_Db_Dialect, getSqlExpression){
zval *expression, *escape_char = NULL, *type, *name = NULL, *escaped_name = NULL;
zval *domain, *escaped_domain = NULL, *value = NULL, *operator = NULL;
zval *left = NULL, *expression_left = NULL, *right = NULL, *expression_right = NULL;
zval *binary_expr, *unary_expr = NULL, *expression_group;
zval *sql_arguments, *arguments, *argument = NULL, *argument_expression = NULL;
zval *arguments_joined, *function_expression = NULL;
zval *sql_items, *items, *item = NULL, *item_expression = NULL;
zval *list_expression, *group_expression;
zval *exception_message;
HashTable *ah0, *ah1;
HashPosition hp0, hp1;
zval **hd;
PHALCON_MM_GROW();
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|z", &expression, &escape_char) == FAILURE) {
RETURN_MM_NULL();
}
if (!escape_char) {
PHALCON_INIT_VAR(escape_char);
} else {
PHALCON_SEPARATE_PARAM(escape_char);
}
if (PHALCON_GLOBAL(db).escape_identifiers) {
if (Z_TYPE_P(escape_char) == IS_NULL) {
PHALCON_OBS_NVAR(escape_char);
phalcon_read_property(&escape_char, this_ptr, SL("_escapeChar"), PH_NOISY_CC);
}
}
if (Z_TYPE_P(expression) != IS_ARRAY) {
PHALCON_THROW_EXCEPTION_STR(phalcon_db_exception_ce, "Invalid SQL expression");
return;
}
if (!phalcon_array_isset_string(expression, SS("type"))) {
PHALCON_THROW_EXCEPTION_STR(phalcon_db_exception_ce, "Invalid SQL expression");
return;
}
PHALCON_OBS_VAR(type);
phalcon_array_fetch_string(&type, expression, SL("type"), PH_NOISY_CC);
/**
* Resolve qualified expressions
*/
if (PHALCON_IS_STRING(type, "qualified")) {
PHALCON_OBS_VAR(name);
phalcon_array_fetch_string(&name, expression, SL("name"), PH_NOISY_CC);
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_VAR(escaped_name);
PHALCON_CONCAT_VVV(escaped_name, escape_char, name, escape_char);
} else {
PHALCON_CPY_WRT(escaped_name, name);
}
/**
* A domain could be a table/schema
*/
if (phalcon_array_isset_string(expression, SS("domain"))) {
PHALCON_OBS_VAR(domain);
phalcon_array_fetch_string(&domain, expression, SL("domain"), PH_NOISY_CC);
if (PHALCON_GLOBAL(db).escape_identifiers) {
PHALCON_INIT_VAR(escaped_domain);
PHALCON_CONCAT_VVVSV(escaped_domain, escape_char, domain, escape_char, ".", escaped_name);
} else {
PHALCON_INIT_NVAR(escaped_domain);
PHALCON_CONCAT_VSV(escaped_domain, domain, ".", escaped_name);
}
RETURN_CTOR(escaped_domain);
}
RETURN_CCTOR(escaped_name);
}
/**
* Resolve literal expressions
*/
if (PHALCON_IS_STRING(type, "literal")) {
PHALCON_OBS_VAR(value);
phalcon_array_fetch_string(&value, expression, SL("value"), PH_NOISY_CC);
RETURN_CCTOR(value);
}
/**
* Resolve binary operations expressions
*/
if (PHALCON_IS_STRING(type, "binary-op")) {
PHALCON_OBS_VAR(operator);
phalcon_array_fetch_string(&operator, expression, SL("op"), PH_NOISY_CC);
PHALCON_OBS_VAR(left);
phalcon_array_fetch_string(&left, expression, SL("left"), PH_NOISY_CC);
PHALCON_INIT_VAR(expression_left);
PHALCON_CALL_METHOD_PARAMS_2(expression_left, this_ptr, "getsqlexpression", left, escape_char);
PHALCON_OBS_VAR(right);
phalcon_array_fetch_string(&right, expression, SL("right"), PH_NOISY_CC);
PHALCON_INIT_VAR(expression_right);
PHALCON_CALL_METHOD_PARAMS_2(expression_right, this_ptr, "getsqlexpression", right, escape_char);
PHALCON_INIT_VAR(binary_expr);
PHALCON_CONCAT_VSVSV(binary_expr, expression_left, " ", operator, " ", expression_right);
RETURN_CTOR(binary_expr);
}
/**
* Resolve unary operations expressions
*/
if (PHALCON_IS_STRING(type, "unary-op")) {
PHALCON_OBS_NVAR(operator);
phalcon_array_fetch_string(&operator, expression, SL("op"), PH_NOISY_CC);
/**
* Some unary operators uses the left operand...
*/
if (phalcon_array_isset_string(expression, SS("left"))) {
PHALCON_OBS_NVAR(left);
phalcon_array_fetch_string(&left, expression, SL("left"), PH_NOISY_CC);
PHALCON_INIT_NVAR(expression_left);
PHALCON_CALL_METHOD_PARAMS_2(expression_left, this_ptr, "getsqlexpression", left, escape_char);
PHALCON_INIT_VAR(unary_expr);
PHALCON_CONCAT_VV(unary_expr, expression_left, operator);
RETURN_CTOR(unary_expr);
}
/**
* ...Others uses the right operand
*/
if (phalcon_array_isset_string(expression, SS("right"))) {
PHALCON_OBS_NVAR(right);
phalcon_array_fetch_string(&right, expression, SL("right"), PH_NOISY_CC);
PHALCON_INIT_NVAR(expression_right);
PHALCON_CALL_METHOD_PARAMS_2(expression_right, this_ptr, "getsqlexpression", right, escape_char);
PHALCON_INIT_NVAR(unary_expr);
PHALCON_CONCAT_VV(unary_expr, operator, expression_right);
RETURN_CTOR(unary_expr);
}
}
/**
* Resolve placeholder
*/
if (PHALCON_IS_STRING(type, "placeholder")) {
PHALCON_OBS_NVAR(value);
phalcon_array_fetch_string(&value, expression, SL("value"), PH_NOISY_CC);
RETURN_CCTOR(value);
}
/**
* Resolve parentheses
*/
if (PHALCON_IS_STRING(type, "parentheses")) {
PHALCON_OBS_NVAR(left);
phalcon_array_fetch_string(&left, expression, SL("left"), PH_NOISY_CC);
PHALCON_INIT_NVAR(expression_left);
PHALCON_CALL_METHOD_PARAMS_2(expression_left, this_ptr, "getsqlexpression", left, escape_char);
PHALCON_INIT_VAR(expression_group);
PHALCON_CONCAT_SVS(expression_group, "(", expression_left, ")");
RETURN_CTOR(expression_group);
}
/**
* Resolve function calls
*/
if (PHALCON_IS_STRING(type, "functionCall")) {
PHALCON_OBS_NVAR(name);
phalcon_array_fetch_string(&name, expression, SL("name"), PH_NOISY_CC);
PHALCON_INIT_VAR(sql_arguments);
array_init(sql_arguments);
if (phalcon_array_isset_string(expression, SS("arguments"))) {
PHALCON_OBS_VAR(arguments);
phalcon_array_fetch_string(&arguments, expression, SL("arguments"), PH_NOISY_CC);
if (!phalcon_is_iterable(arguments, &ah0, &hp0, 0, 0 TSRMLS_CC)) {
return;
}
while (zend_hash_get_current_data_ex(ah0, (void**) &hd, &hp0) == SUCCESS) {
PHALCON_GET_FOREACH_VALUE(argument);
PHALCON_INIT_NVAR(argument_expression);
PHALCON_CALL_METHOD_PARAMS_2(argument_expression, this_ptr, "getsqlexpression", argument, escape_char);
phalcon_array_append(&sql_arguments, argument_expression, PH_SEPARATE TSRMLS_CC);
zend_hash_move_forward_ex(ah0, &hp0);
}
PHALCON_INIT_VAR(arguments_joined);
phalcon_fast_join_str(arguments_joined, SL(", "), sql_arguments TSRMLS_CC);
PHALCON_INIT_VAR(function_expression);
PHALCON_CONCAT_VSVS(function_expression, name, "(", arguments_joined, ")");
} else {
PHALCON_INIT_NVAR(function_expression);
PHALCON_CONCAT_VS(function_expression, name, "()");
}
RETURN_CTOR(function_expression);
}
/**
* Resolve lists
*/
if (PHALCON_IS_STRING(type, "list")) {
PHALCON_INIT_VAR(sql_items);
array_init(sql_items);
PHALCON_OBS_VAR(items);
phalcon_array_fetch_long(&items, expression, 0, PH_NOISY_CC);
if (!phalcon_is_iterable(items, &ah1, &hp1, 0, 0 TSRMLS_CC)) {
return;
}
while (zend_hash_get_current_data_ex(ah1, (void**) &hd, &hp1) == SUCCESS) {
PHALCON_GET_FOREACH_VALUE(item);
PHALCON_INIT_NVAR(item_expression);
PHALCON_CALL_METHOD_PARAMS_2(item_expression, this_ptr, "getsqlexpression", item, escape_char);
phalcon_array_append(&sql_items, item_expression, PH_SEPARATE TSRMLS_CC);
zend_hash_move_forward_ex(ah1, &hp1);
}
PHALCON_INIT_VAR(list_expression);
phalcon_fast_join_str(list_expression, SL(", "), sql_items TSRMLS_CC);
PHALCON_INIT_VAR(group_expression);
PHALCON_CONCAT_SVS(group_expression, "(", list_expression, ")");
RETURN_CTOR(group_expression);
}
/**
* Resolve *
*/
if (PHALCON_IS_STRING(type, "all")) {
PHALCON_MM_RESTORE();
RETURN_STRING("*", 1);
}
/**
* Expression type wasn't found
*/
PHALCON_INIT_VAR(exception_message);
PHALCON_CONCAT_SVS(exception_message, "Invalid SQL expression type '", type, "'");
PHALCON_THROW_EXCEPTION_ZVAL(phalcon_db_exception_ce, exception_message);
return;
}
