Class: Sequel::SqlAnywhere::Dataset

Inherits:
Dataset show all
Includes:
DatasetMethods
Defined in:
lib/sequel/adapters/sqlanywhere.rb

Overview

Dataset class for SqlAnywhere datasets accessed via the native driver.

Constant Summary

Constants included from DatasetMethods

Sequel::SqlAnywhere::DatasetMethods::APOS, Sequel::SqlAnywhere::DatasetMethods::APOS_RE, Sequel::SqlAnywhere::DatasetMethods::BACKSLASH_RE, Sequel::SqlAnywhere::DatasetMethods::BLOB_START, Sequel::SqlAnywhere::DatasetMethods::BOOL_FALSE, Sequel::SqlAnywhere::DatasetMethods::BOOL_TRUE, Sequel::SqlAnywhere::DatasetMethods::CROSS_APPLY, Sequel::SqlAnywhere::DatasetMethods::DATEPART, Sequel::SqlAnywhere::DatasetMethods::DATE_FUNCTION, Sequel::SqlAnywhere::DatasetMethods::DOUBLE_APOS, Sequel::SqlAnywhere::DatasetMethods::HSTAR, Sequel::SqlAnywhere::DatasetMethods::NOT_REGEXP, Sequel::SqlAnywhere::DatasetMethods::NOW_FUNCTION, Sequel::SqlAnywhere::DatasetMethods::ONLY_OFFSET, Sequel::SqlAnywhere::DatasetMethods::OUTER_APPLY, Sequel::SqlAnywhere::DatasetMethods::QUAD_BACKSLASH, Sequel::SqlAnywhere::DatasetMethods::REGEXP, Sequel::SqlAnywhere::DatasetMethods::SQL_WITH_RECURSIVE, Sequel::SqlAnywhere::DatasetMethods::START_AT, Sequel::SqlAnywhere::DatasetMethods::TOP, Sequel::SqlAnywhere::DatasetMethods::WILDCARD

Constants inherited from Dataset

Dataset::ACTION_METHODS, Dataset::ALL, Dataset::AND_SEPARATOR, Dataset::APOS, Dataset::APOS_RE, Dataset::ARG_BLOCK_ERROR_MSG, Dataset::ARRAY_ACCESS_ERROR_MSG, Dataset::ARRAY_EMPTY, Dataset::AS, Dataset::ASC, Dataset::BACKSLASH, Dataset::BITCOMP_CLOSE, Dataset::BITCOMP_OPEN, Dataset::BITWISE_METHOD_MAP, Dataset::BOOL_FALSE, Dataset::BOOL_TRUE, Dataset::BRACKET_CLOSE, Dataset::BRACKET_OPEN, Dataset::CASE_ELSE, Dataset::CASE_END, Dataset::CASE_OPEN, Dataset::CASE_THEN, Dataset::CASE_WHEN, Dataset::CAST_OPEN, Dataset::COLON, Dataset::COLUMNS_CLONE_OPTIONS, Dataset::COLUMN_CHANGE_OPTS, Dataset::COLUMN_REF_RE1, Dataset::COLUMN_REF_RE2, Dataset::COLUMN_REF_RE3, Dataset::COMMA, Dataset::COMMA_SEPARATOR, Dataset::CONDITIONED_JOIN_TYPES, Dataset::CONDITION_FALSE, Dataset::CONDITION_TRUE, Dataset::COUNT_FROM_SELF_OPTS, Dataset::COUNT_OF_ALL_AS_COUNT, Dataset::DATASET_ALIAS_BASE_NAME, Dataset::DATETIME_SECFRACTION_ARG, Dataset::DEFAULT, Dataset::DEFAULT_PREPARED_STATEMENT_MODULE_METHODS, Dataset::DEFAULT_VALUES, Dataset::DELETE, Dataset::DESC, Dataset::DISTINCT, Dataset::DOT, Dataset::DOUBLE_APOS, Dataset::DOUBLE_QUOTE, Dataset::EMPTY_ARRAY, Dataset::EMPTY_PARENS, Dataset::EMULATED_FUNCTION_MAP, Dataset::EQUAL, Dataset::ESCAPE, Dataset::EXISTS, Dataset::EXTENSIONS, Dataset::EXTRACT, Dataset::FILTER, Dataset::FORMAT_DATE, Dataset::FORMAT_DATE_STANDARD, Dataset::FORMAT_OFFSET, Dataset::FORMAT_TIMESTAMP_RE, Dataset::FORMAT_USEC, Dataset::FOR_UPDATE, Dataset::FRAME_ALL, Dataset::FRAME_ROWS, Dataset::FROM, Dataset::FUNCTION_DISTINCT, Dataset::GROUP_BY, Dataset::HAVING, Dataset::IMPORT_ERROR_MSG, Dataset::INSERT, Dataset::INTO, Dataset::IS_LITERALS, Dataset::IS_OPERATORS, Dataset::JOIN_METHODS, Dataset::LATERAL, Dataset::LIKE_OPERATORS, Dataset::LIMIT, Dataset::MUTATION_METHODS, Dataset::NON_SQL_OPTIONS, Dataset::NOTIMPL_MSG, Dataset::NOT_SPACE, Dataset::NULL, Dataset::NULLS_FIRST, Dataset::NULLS_LAST, Dataset::N_ARITY_OPERATORS, Dataset::OFFSET, Dataset::ON, Dataset::ON_PAREN, Dataset::OPTS, Dataset::ORDER_BY, Dataset::ORDER_BY_NS, Dataset::OVER, Dataset::PAREN_CLOSE, Dataset::PAREN_OPEN, Dataset::PAREN_SPACE_OPEN, Dataset::PARTITION_BY, Dataset::PREPARED_ARG_PLACEHOLDER, Dataset::PREPARED_STATEMENT_MODULE_CODE, Dataset::QUALIFY_KEYS, Dataset::QUERY_METHODS, Dataset::QUESTION_MARK, Dataset::QUESTION_MARK_RE, Dataset::QUOTE, Dataset::QUOTE_RE, Dataset::REGEXP_OPERATORS, Dataset::RETURNING, Dataset::SELECT, Dataset::SET, Dataset::SPACE, Dataset::SPACE_WITH, Dataset::SQL_WITH, Dataset::STANDARD_TIMESTAMP_FORMAT, Dataset::TILDE, Dataset::TIMESTAMP_FORMAT, Dataset::TRUE_FREEZE, Dataset::TWO_ARITY_OPERATORS, Dataset::UNCONDITIONED_JOIN_TYPES, Dataset::UNDERSCORE, Dataset::UNION_ALL_SELECT, Dataset::UPDATE, Dataset::USING, Dataset::VALUES, Dataset::WHERE, Dataset::WILDCARD, Dataset::WITHIN_GROUP, Dataset::WITH_ORDINALITY

Instance Attribute Summary

Attributes inherited from Dataset

#db, #opts

Instance Method Summary collapse

Methods included from DatasetMethods

#complex_expression_sql_append, #constant_sql_append, #convert_smallint_to_bool, #convert_smallint_to_bool=, #cross_apply, #escape_like, #into, #recursive_cte_requires_column_aliases?, #supports_cte?, #supports_grouping_sets?, #supports_is_true?, #supports_join_using?, #supports_multiple_column_in?, #supports_timestamp_usecs?, #supports_where_true?, #with_convert_smallint_to_bool

Methods inherited from Dataset

#<<, #==, #[], #add_graph_aliases, #aliased_expression_sql_append, #all, #and, #array_sql_append, #as_hash, #avg, #bind, #boolean_constant_sql_append, #call, #case_expression_sql_append, #cast_sql_append, clause_methods, #clone, #column_all_sql_append, #columns, #columns!, #complex_expression_sql_append, #constant_sql_append, #count, #current_datetime, def_deprecated_opts_setter, def_mutation_method, def_sql_method, #delayed_evaluation_sql_append, #delete, #distinct, #dup, #each, #each_server, #empty?, #eql?, #escape_like, #except, #exclude, #exclude_having, #exclude_where, #exists, #extension, #extension!, #filter, #first, #first!, #first_source, #first_source_alias, #first_source_table, #for_update, #freeze, #from, #from_self, #from_self!, #frozen?, #function_sql_append, #get, #graph, #grep, #group, #group_and_count, #group_append, #group_by, #group_cube, #group_rollup, #grouping_sets, #hash, #having, #import, #initialize, #insert, #insert_sql, #inspect, #intersect, #interval, #invert, #join, #join_clause_sql_append, #join_on_clause_sql_append, #join_table, #join_using_clause_sql_append, #joined_dataset?, #last, #lateral, #limit, #literal_append, #lock_style, #map, #max, #min, #multi_insert, #multi_insert_sql, #naked, #naked!, #negative_boolean_constant_sql_append, #offset, #or, #order, #order_append, #order_by, #order_more, #order_prepend, #ordered_expression_sql_append, #paged_each, #placeholder_literal_string_sql_append, #prepare, #provides_accurate_rows_matched?, #qualified_identifier_sql_append, #qualify, #quote_identifier_append, #quote_identifiers=, #quote_identifiers?, #quote_schema_table_append, #quoted_identifier_append, #range, #recursive_cte_requires_column_aliases?, register_extension, #requires_placeholder_type_specifiers?, #requires_sql_standard_datetimes?, #returning, #reverse, #reverse_order, #row_number_column, #row_proc, #row_proc=, #schema_and_table, #select, #select_all, #select_append, #select_group, #select_hash, #select_hash_groups, #select_map, #select_more, #select_order_map, #server, #server?, #set_graph_aliases, #single_record, #single_record!, #single_value, #single_value!, #skip_limit_check, #skip_locked, #split_alias, #split_qualifiers, #sql, #subscript_sql_append, #sum, #supports_cte?, #supports_cte_in_subqueries?, #supports_derived_column_lists?, #supports_distinct_on?, #supports_group_cube?, #supports_group_rollup?, #supports_grouping_sets?, #supports_insert_select?, #supports_intersect_except?, #supports_intersect_except_all?, #supports_is_true?, #supports_join_using?, #supports_lateral_subqueries?, #supports_limits_in_correlated_subqueries?, #supports_modifying_joins?, #supports_multiple_column_in?, #supports_offsets_in_correlated_subqueries?, #supports_ordered_distinct_on?, #supports_regexp?, #supports_replace?, #supports_returning?, #supports_select_all_and_column?, #supports_skip_locked?, #supports_timestamp_timezones?, #supports_timestamp_usecs?, #supports_where_true?, #supports_window_functions?, #to_hash, #to_hash_groups, #truncate, #truncate_sql, #unbind, #unfiltered, #ungraphed, #ungrouped, #union, #unlimited, #unordered, #unqualified_column_for, #unused_table_alias, #update, #update_sql, #where, #window_sql_append, #with, #with_extend, #with_quote_identifiers, #with_recursive, #with_row_proc, #with_sql, #with_sql_all, #with_sql_delete, #with_sql_each, #with_sql_first, #with_sql_insert, #with_sql_single_value

Methods included from Metaprogramming

#meta_def

Methods included from Sequel::SQL::StringMethods

#ilike, #like

Methods included from Sequel::SQL::OrderMethods

#asc, #desc

Methods included from Sequel::SQL::NumericMethods

#+, #coerce

Methods included from Sequel::SQL::ComplexExpressionMethods

#extract, #sql_boolean, #sql_number, #sql_string

Methods included from Sequel::SQL::CastMethods

#cast, #cast_numeric, #cast_string

Methods included from Sequel::SQL::BooleanMethods

#~

Methods included from Sequel::SQL::AliasMethods

#as

Constructor Details

This class inherits a constructor from Sequel::Dataset

Instance Method Details

#fetch_rows(sql) ⇒ Object

Yield all rows matching this dataset. If the dataset is set to split multiple statements, yield arrays of hashes one per statement instead of yielding results for all statements as hashes.



161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
 
# File 'lib/sequel/adapters/sqlanywhere.rb', line 161

def fetch_rows(sql)
  db = @db
  cps = db.conversion_procs
  api = db.api
  execute(sql) do |rs|
    convert = (convert_smallint_to_bool and db.convert_smallint_to_bool)
    col_infos = []
    api.sqlany_num_cols(rs).times do |i|
      _, _, name, _, type = api.sqlany_get_column_info(rs, i)
      cp = if type == 500
        cps[500] if convert
      else
        cps[type]
      end
      col_infos << [i, output_identifier(name), cp]
    end

    self.columns = col_infos.map{|a| a[1]}

    if rs
      while api.sqlany_fetch_next(rs) == 1
        h = {}
        col_infos.each do |i, name, cp|
          _, v = api.sqlany_get_column(rs, i)
          h[name] = cp && v ? cp[v] : v
        end
        yield h
      end
    end
  end
  self
end