class ArelExtensions::Visitors::ArelExtensions::Visitors::Arel::Visitors::ToSql
Constants
- COMMA
Public Instance Methods
json_value(o, v)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 601 def json_value(o, v) case o.type_of_node(v) when :string Arel.when(v.is_null).then(make_json_null).else(make_json_string(v)) when :date s = v.format('%Y-%m-%d') Arel.when(s.is_null).then(make_json_null).else(make_json_string(s)) when :datetime s = v.format('%Y-%m-%dT%H:%M:%S') Arel.when(s.is_null).then(make_json_null).else(make_json_string(s)) when :time s = v.format('%H:%M:%S') Arel.when(s.is_null).then(make_json_null).else(make_json_string(s)) when :nil make_json_null else ArelExtensions::Nodes::Cast.new([v, :string]).coalesce(make_json_null) end end
make_json_null()
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 16 def make_json_null Arel.quoted('null') end
make_json_string(expr)
click to toggle source
Escape properly the string expression expr. Take care of escaping.
# File lib/arel_extensions/visitors/to_sql.rb, line 8 def make_json_string expr Arel.quoted('"') \ + expr .coalesce('') .replace('\\', '\\\\').replace('"', '\"').replace("\n", '\n') \ + '"' end
visit_ArelExtensions_InsertManager_BulkValues(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 439 def visit_ArelExtensions_InsertManager_BulkValues o, collector collector << 'VALUES ' row_nb = o.left.length o.left.each_with_index do |row, idx| collector << '(' len = row.length - 1 row.zip(o.cols).each_with_index { |(value, attr), i| case value when Arel::Nodes::SqlLiteral, Arel::Nodes::BindParam collector = visit value, collector else collector << quote(value, attr && column_for(attr)).to_s end collector << COMMA unless i == len } collector << (idx == row_nb - 1 ? ')' : '), ') end collector end
visit_ArelExtensions_Nodes_Abs(o, collector)
click to toggle source
Math
Functions
# File lib/arel_extensions/visitors/to_sql.rb, line 21 def visit_ArelExtensions_Nodes_Abs o, collector collector << 'ABS(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Blank(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 252 def visit_ArelExtensions_Nodes_Blank o, collector # visit o.left.coalesce('').trim.length.eq(0), collector collector << 'LENGTH(TRIM(COALESCE(' collector = visit o.expr, collector collector << COMMA collector = visit Arel.quoted(''), collector collector << '))) = 0' collector end
visit_ArelExtensions_Nodes_Case(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 496 def visit_ArelExtensions_Nodes_Case o, collector collector << 'CASE ' if o.case visit o.case, collector collector << ' ' end o.conditions.each do |condition| visit condition, collector collector << ' ' end if o.default visit o.default, collector collector << ' ' end collector << 'END' end
visit_ArelExtensions_Nodes_Case_Else(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 520 def visit_ArelExtensions_Nodes_Case_Else o, collector collector << 'ELSE ' visit Arel.quoted(o.expr), collector end
visit_ArelExtensions_Nodes_Case_When(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 513 def visit_ArelExtensions_Nodes_Case_When o, collector collector << 'WHEN ' visit Arel.quoted(o.left), collector collector << ' THEN ' visit Arel.quoted(o.right), collector end
visit_ArelExtensions_Nodes_Cast(o, collector)
click to toggle source
comparators
# File lib/arel_extensions/visitors/to_sql.rb, line 294 def visit_ArelExtensions_Nodes_Cast o, collector as_attr = case o.as_attr when :binary then 'binary' when :datetime then 'datetime' when :decimal, :float, :number then 'float' when :int then 'int' when :string then 'char' when :text, :ntext then 'text' when :time then 'time' else o.as_attr.to_s end collector << 'CAST(' collector = visit o.left, collector collector << ' AS ' collector = visit Arel::Nodes::SqlLiteral.new(as_attr), collector collector << ')' collector end
visit_ArelExtensions_Nodes_Ceil(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 31 def visit_ArelExtensions_Nodes_Ceil o, collector collector << 'CEIL(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Coalesce(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 315 def visit_ArelExtensions_Nodes_Coalesce o, collector collector << 'COALESCE(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Concat(o, collector)
click to toggle source
String functions
# File lib/arel_extensions/visitors/to_sql.rb, line 96 def visit_ArelExtensions_Nodes_Concat o, collector collector << 'CONCAT(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_DateAdd(o, collector)
click to toggle source
Date operations
# File lib/arel_extensions/visitors/to_sql.rb, line 429 def visit_ArelExtensions_Nodes_DateAdd o, collector collector << 'DATE_ADD(' collector = visit o.left, collector collector << COMMA collector = visit o.sqlite_value(o.right), collector collector << ')' collector end
visit_ArelExtensions_Nodes_DateDiff(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 325 def visit_ArelExtensions_Nodes_DateDiff o, collector collector << if o.left_node_type == :ruby_time || o.left_node_type == :datetime || o.left_node_type == :time 'TIMEDIFF(' else 'DATEDIFF(' end collector = visit o.left, collector collector << COMMA collector = visit o.right, collector collector << ')' collector end
visit_ArelExtensions_Nodes_DateSub(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 339 def visit_ArelExtensions_Nodes_DateSub o, collector collector << 'DATE_SUB(' collector = visit o.left, collector collector << COMMA collector = visit o.right, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Downcase(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 202 def visit_ArelExtensions_Nodes_Downcase o, collector collector << 'LOWER(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_FindInSet(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 182 def visit_ArelExtensions_Nodes_FindInSet o, collector collector << 'FIND_IN_SET(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Floor(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 41 def visit_ArelExtensions_Nodes_Floor o, collector collector << 'FLOOR(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Format(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 272 def visit_ArelExtensions_Nodes_Format o, collector case o.col_type when :date, :datetime, :time collector << 'STRFTIME(' collector = visit o.right, collector collector << COMMA collector = visit o.left, collector collector << ')' when :integer, :float, :decimal collector << 'FORMAT(' collector = visit o.left, collector collector << COMMA collector = visit o.right, collector collector << ')' else collector = visit o.left, collector end collector end
visit_ArelExtensions_Nodes_FormattedNumber(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 525 def visit_ArelExtensions_Nodes_FormattedNumber o, collector visit o.left, collector end
visit_ArelExtensions_Nodes_GroupConcat(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 106 def visit_ArelExtensions_Nodes_GroupConcat o, collector collector << 'GROUP_CONCAT(' collector = visit o.left, collector if o.separator && o.separator != 'NULL' collector << COMMA collector = visit o.separator, collector end collector << ')' collector end
visit_ArelExtensions_Nodes_IDoesNotMatch(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 392 def visit_ArelExtensions_Nodes_IDoesNotMatch o, collector collector = infix_value o, collector, ' NOT ILIKE ' if o.escape collector << ' ESCAPE ' collector = visit o.escape, collector end collector end
visit_ArelExtensions_Nodes_IMatches(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 382 def visit_ArelExtensions_Nodes_IMatches o, collector collector = infix_value o, collector, ' ILIKE ' if o.escape collector << ' ESCAPE ' visit o.escape, collector else collector end end
visit_ArelExtensions_Nodes_IsNotNull(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 408 def visit_ArelExtensions_Nodes_IsNotNull o, collector collector << 'NOT ISNULL(' collector = visit o.expr, collector collector << ')' collector end
visit_ArelExtensions_Nodes_IsNull(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 401 def visit_ArelExtensions_Nodes_IsNull o, collector collector << 'ISNULL(' collector = visit o.expr, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Json(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 621 def visit_ArelExtensions_Nodes_Json o, collector case o.dict when Array res = Arel.quoted('[') o.dict.each.with_index do |v, i| if i != 0 res += ', ' end res += json_value(o, v) end res += ']' collector = visit res, collector when Hash res = Arel.quoted('{') o.dict.each.with_index do |(k, v), i| if i != 0 res += ', ' end res += make_json_string(ArelExtensions::Nodes::Cast.new([k, :string])) + ': ' res += json_value(o, v) end res += '}' collector = visit res, collector else collector = visit o.dict, collector end collector end
visit_ArelExtensions_Nodes_JsonGroup(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 650 def visit_ArelExtensions_Nodes_JsonGroup o, collector if o.as_array res = Arel.quoted('[') + (o.orders ? o.dict.group_concat(', ', order: Array(o.orders)) : o.dict.group_concat(', ')).coalesce('') + ']' collector = visit res, collector else res = Arel.quoted('{') orders = o.orders || o.dict.keys o.dict.each.with_index do |(k, v), i| if i != 0 res = res + ', ' end kv = make_json_string(ArelExtensions::Nodes::Cast.new([k, :string])) + ': ' kv += json_value(o, v) res = res + kv.group_concat(', ', order: Array(orders)).coalesce('') end res = res + '}' collector = visit res, collector end collector end
visit_ArelExtensions_Nodes_Length(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 124 def visit_ArelExtensions_Nodes_Length o, collector collector << "#{o.bytewise ? '' : 'CHAR_'}LENGTH(" collector = visit o.left, collector collector << ')' collector end
visit_ArelExtensions_Nodes_LevenshteinDistance(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 550 def visit_ArelExtensions_Nodes_LevenshteinDistance o, collector collector << 'LEVENSHTEIN_DISTANCE(' collector = visit o.left, collector collector << COMMA collector = visit o.right, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Locate(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 131 def visit_ArelExtensions_Nodes_Locate o, collector collector << 'LOCATE(' collector = visit o.right, collector collector << COMMA collector = visit o.left, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Log10(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 71 def visit_ArelExtensions_Nodes_Log10 o, collector collector << 'LOG10(' collector = visit o.left, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Ltrim(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 232 def visit_ArelExtensions_Nodes_Ltrim o, collector collector << 'LTRIM(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_MD5(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 117 def visit_ArelExtensions_Nodes_MD5 o, collector collector << 'MD5(' collector = visit o.left, collector collector << ')' collector end
visit_ArelExtensions_Nodes_NotBlank(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 262 def visit_ArelExtensions_Nodes_NotBlank o, collector # visit o.left.coalesce('').trim.length.gt(0), collector collector << 'LENGTH(TRIM(COALESCE(' collector = visit o.expr, collector collector << COMMA collector = visit Arel.quoted(''), collector collector << '))) > 0' collector end
visit_ArelExtensions_Nodes_Power(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 78 def visit_ArelExtensions_Nodes_Power o, collector collector << 'POW(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Rand(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 51 def visit_ArelExtensions_Nodes_Rand o, collector collector << 'RAND(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_RegexpReplace(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 161 def visit_ArelExtensions_Nodes_RegexpReplace o, collector collector << 'REGEXP_REPLACE(' visit o.left, collector collector << COMMA visit Arel.quoted(o.pattern.to_s), collector collector << COMMA visit o.substitute, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Repeat(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 172 def visit_ArelExtensions_Nodes_Repeat o, collector collector << 'REPEAT(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Replace(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 150 def visit_ArelExtensions_Nodes_Replace o, collector collector << 'REPLACE(' visit o.left, collector collector << COMMA visit o.pattern, collector collector << COMMA visit o.substitute, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Round(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 61 def visit_ArelExtensions_Nodes_Round o, collector collector << 'ROUND(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Rtrim(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 242 def visit_ArelExtensions_Nodes_Rtrim o, collector collector << 'RTRIM(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Soundex(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 192 def visit_ArelExtensions_Nodes_Soundex o, collector collector << 'SOUNDEX(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Std(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 536 def visit_ArelExtensions_Nodes_Std o, collector collector << 'STD(' visit o.left, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Substring(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 140 def visit_ArelExtensions_Nodes_Substring o, collector collector << 'SUBSTRING(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Sum(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 88 def visit_ArelExtensions_Nodes_Sum o, collector collector << 'SUM(' collector = visit o.expr, collector collector << ')' collector end
visit_ArelExtensions_Nodes_Then(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 415 def visit_ArelExtensions_Nodes_Then o, collector collector << 'CASE WHEN (' collector = visit o.left, collector collector << ') THEN ' collector = visit o.right, collector if o.expressions[2] collector << ' ELSE ' collector = visit o.expressions[2], collector end collector << ' END' collector end
visit_ArelExtensions_Nodes_Trim(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 222 def visit_ArelExtensions_Nodes_Trim o, collector collector << 'TRIM(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Union(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 482 def visit_ArelExtensions_Nodes_Union o, collector collector = visit o.left, collector collector << ' UNION ' collector = visit o.right, collector collector end
visit_ArelExtensions_Nodes_UnionAll(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 489 def visit_ArelExtensions_Nodes_UnionAll o, collector collector = visit o.left, collector collector << ' UNION ALL ' collector = visit o.right, collector collector end
visit_ArelExtensions_Nodes_Upcase(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 212 def visit_ArelExtensions_Nodes_Upcase o, collector collector << 'UPPER(' o.expressions.each_with_index { |arg, i| collector << COMMA if i != 0 collector = visit arg, collector } collector << ')' collector end
visit_ArelExtensions_Nodes_Variance(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 543 def visit_ArelExtensions_Nodes_Variance o, collector collector << 'VARIANCE(' visit o.left, collector collector << ')' collector end
visit_Arel_Nodes_And(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 562 def visit_Arel_Nodes_And o, collector case o.children.length when 0 collector << '1 = 1' # but this should not happen when 1 collector = visit o.children[0], collector else collector << '(' o.children.each_with_index { |arg, i| if i != 0 collector << ') AND (' end collector = visit arg, collector } collector << ')' end collector end
Also aliased as: old_visit_Arel_Nodes_And
visit_Arel_Nodes_As(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 350 def visit_Arel_Nodes_As o, collector if o.left.respond_to?(:alias) o.left.alias = nil end if o.left.is_a?(Arel::Nodes::Binary) collector << '(' collector = visit o.left, collector collector << ')' else collector = visit o.left, collector end collector << ' AS ' collector = visit o.right, collector collector end
visit_Arel_Nodes_LessThan(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 530 def visit_Arel_Nodes_LessThan o, collector collector = visit o.left, collector collector << ' < ' visit o.right, collector end
visit_Arel_Nodes_NotRegexp(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 375 def visit_Arel_Nodes_NotRegexp o, collector collector = visit o.left, collector collector << ' NOT REGEXP ' collector = visit o.right, collector collector end
visit_Arel_Nodes_Or(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 582 def visit_Arel_Nodes_Or o, collector case o.children.length when 0 collector << '1 = 0' # but this should not happen when 1 collector = visit o.children[0], collector else collector << '(' o.children.each_with_index { |arg, i| if i != 0 collector << ') OR (' end collector = visit arg, collector } collector << ')' end collector end
Also aliased as: old_visit_Arel_Nodes_Or
visit_Arel_Nodes_Regexp(o, collector)
click to toggle source
# File lib/arel_extensions/visitors/to_sql.rb, line 367 def visit_Arel_Nodes_Regexp o, collector collector = visit o.left, collector collector << ' REGEXP ' collector = visit o.right, collector collector end