Module: ArelExtensions::Visitors::MSSQL
- Included in:
- Arel::Visitors::MSSQL
- Defined in:
- lib/arel_extensions/visitors/mssql.rb
Instance Method Summary collapse
- #visit_Arel_Nodes_NotRegexp(o, collector) ⇒ Object
-
#visit_Arel_Nodes_Regexp(o, collector) ⇒ Object
SQL Server does not know about REGEXP.
- #visit_ArelExtensions_Nodes_AiIMatches(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_AiMatches(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Blank(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Cast(o, collector) ⇒ Object
-
#visit_ArelExtensions_Nodes_Ceil(o, collector) ⇒ Object
Math Functions.
- #visit_ArelExtensions_Nodes_Collate(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Concat(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_DateAdd(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_DateDiff(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Duration(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_FindInSet(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Format(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_FormattedNumber(o, collector) ⇒ Object
-
#visit_ArelExtensions_Nodes_GroupConcat(o, collector) ⇒ Object
TODO;.
-
#visit_ArelExtensions_Nodes_IDoesNotMatch(o, collector) ⇒ Object
TODO; manage case insensitivity.
-
#visit_ArelExtensions_Nodes_IMatches(o, collector) ⇒ Object
TODO; manage case insensitivity.
- #visit_ArelExtensions_Nodes_IsNotNull(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_IsNull(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_JsonGet(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Length(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_LevenshteinDistance(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Locate(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Log10(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Ltrim(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_MD5(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_NotBlank(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Power(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Repeat(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Replace(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Round(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Rtrim(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_SMatches(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Std(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Substring(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Trim(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Variance(o, collector) ⇒ Object
Instance Method Details
#visit_Arel_Nodes_NotRegexp(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 397 def visit_Arel_Nodes_NotRegexp o, collector collector = visit o.left, collector collector << "NOT LIKE '%#{o.right}%'" collector end |
#visit_Arel_Nodes_Regexp(o, collector) ⇒ Object
SQL Server does not know about REGEXP
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# File 'lib/arel_extensions/visitors/mssql.rb', line 391 def visit_Arel_Nodes_Regexp o, collector collector = visit o.left, collector collector << "LIKE '%#{o.right}%'" collector end |
#visit_ArelExtensions_Nodes_AiIMatches(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 349 def visit_ArelExtensions_Nodes_AiIMatches o, collector collector = visit o.left.collate(true,true), collector collector << ' LIKE ' collector = visit o.right.collate(true,true), collector if o.escape collector << ' ESCAPE ' visit o.escape, collector else collector end end |
#visit_ArelExtensions_Nodes_AiMatches(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 337 def visit_ArelExtensions_Nodes_AiMatches o, collector collector = visit o.left.ai_collate, collector collector << ' LIKE ' collector = visit o.right.ai_collate, collector if o.escape collector << ' ESCAPE ' visit o.escape, collector else collector end end |
#visit_ArelExtensions_Nodes_Blank(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 249 def visit_ArelExtensions_Nodes_Blank o, collector visit o.expr.coalesce('').trim.length.eq(0), collector end |
#visit_ArelExtensions_Nodes_Cast(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 434 def visit_ArelExtensions_Nodes_Cast o, collector case o.as_attr when :string as_attr = Arel::Nodes::SqlLiteral.new('varchar') when :time as_attr = Arel::Nodes::SqlLiteral.new('time') when :date as_attr = Arel::Nodes::SqlLiteral.new('date') when :datetime as_attr = Arel::Nodes::SqlLiteral.new('datetime') when :number,:decimal, :float as_attr = Arel::Nodes::SqlLiteral.new('decimal(10,6)') when :int collector << "CAST(CAST(" collector = visit o.left, collector collector << " AS decimal(10,0)) AS int)" return collector when :binary as_attr = Arel::Nodes::SqlLiteral.new('binary') else as_attr = Arel::Nodes::SqlLiteral.new(o.as_attr.to_s) end collector << "CAST(" collector = visit o.left, collector collector << " AS " collector = visit as_attr, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_Ceil(o, collector) ⇒ Object
Math Functions
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# File 'lib/arel_extensions/visitors/mssql.rb', line 38 def visit_ArelExtensions_Nodes_Ceil o, collector collector << "CEILING(" collector = visit o.expr, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_Collate(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 373 def visit_ArelExtensions_Nodes_Collate o, collector if o.ai && o.ci collector = visit o.expressions.first, collector collector << ' COLLATE Latin1_General_CI_AI' elsif o.ai collector = visit o.expressions.first, collector collector << ' COLLATE Latin1_General_CS_AI' elsif o.ci collector = visit o.expressions.first, collector collector << ' COLLATE Latin1_General_CI_AS' else collector = visit o.expressions.first, collector collector << ' COLLATE Latin1_General_CS_AS' end collector end |
#visit_ArelExtensions_Nodes_Concat(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 79 def visit_ArelExtensions_Nodes_Concat o, collector collector << "CONCAT(" o.expressions.each_with_index { |arg, i| collector << Arel::Visitors::MSSQL::COMMA if i != 0 collector = visit arg, collector } collector << ")" collector end |
#visit_ArelExtensions_Nodes_DateAdd(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 129 def visit_ArelExtensions_Nodes_DateAdd o, collector collector << "DATEADD(" collector = visit o.mssql_datepart(o.right), collector collector << Arel::Visitors::MSSQL::COMMA collector = visit o.mssql_value(o.right), collector collector << Arel::Visitors::MSSQL::COMMA collector = visit o.left, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_DateDiff(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 101 def visit_ArelExtensions_Nodes_DateDiff o, collector case o.right_node_type when :ruby_date, :ruby_time, :date, :datetime, :time collector << case o.left_node_type when :ruby_time, :datetime, :time then 'DATEDIFF(second' else 'DATEDIFF(day' end collector << Arel::Visitors::MSSQL::COMMA collector = visit o.right, collector collector << Arel::Visitors::MSSQL::COMMA collector = visit o.left, collector collector << ')' else da = ArelExtensions::Nodes::DateAdd.new([]) collector << "DATEADD(" collector = visit da.mssql_datepart(o.right), collector collector << Arel::Visitors::MSSQL::COMMA collector << "-(" collector = visit da.mssql_value(o.right), collector collector << ")" collector << Arel::Visitors::MSSQL::COMMA collector = visit o.left, collector collector << ")" collector end collector end |
#visit_ArelExtensions_Nodes_Duration(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 140 def visit_ArelExtensions_Nodes_Duration o, collector if o.with_interval && o.left.end_with?('i') collector = visit o.right, collector else left = o.left.end_with?('i') ? o.left[0..-2] : o.left conv = ['h', 'mn', 's'].include?(o.left) collector << 'DATEPART(' collector << Arel::Visitors::MSSQL::DATE_MAPPING[left] collector << Arel::Visitors::MSSQL::COMMA collector << 'CONVERT(datetime,' if conv collector = visit o.right, collector collector << ')' if conv collector << ")" end collector end |
#visit_ArelExtensions_Nodes_FindInSet(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 301 def visit_ArelExtensions_Nodes_FindInSet o, collector collector << "dbo.FIND_IN_SET(" o.expressions.each_with_index { |arg, i| collector << Arel::Visitors::MSSQL::COMMA if i != 0 collector = visit arg, collector } collector << ")" collector end |
#visit_ArelExtensions_Nodes_Format(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 257 def visit_ArelExtensions_Nodes_Format o, collector f = ArelExtensions::Visitors::strftime_to_format(o.iso_format, Arel::Visitors::MSSQL::DATE_FORMAT_DIRECTIVES) if fmt = Arel::Visitors::MSSQL::DATE_CONVERT_FORMATS[f] collector << "CONVERT(VARCHAR(#{f.length})" collector << Arel::Visitors::MSSQL::COMMA collector = visit o.left, collector collector << Arel::Visitors::MSSQL::COMMA collector << fmt.to_s collector << ')' collector else s = StringScanner.new o.iso_format collector << "(" sep = '' while !s.eos? collector << sep sep = ' + ' case when s.scan(Arel::Visitors::MSSQL::DATE_FORMAT_REGEX) dir = Arel::Visitors::MSSQL::DATE_FORMAT_DIRECTIVES[s.matched] collector << 'LTRIM(STR(DATEPART(' collector << dir collector << Arel::Visitors::MSSQL::COMMA collector = visit o.left, collector collector << ')))' when s.scan(/[^%]+|./) collector = visit Arel::Nodes.build_quoted(s.matched), collector end end collector << ')' collector end end |
#visit_ArelExtensions_Nodes_FormattedNumber(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 464 def visit_ArelExtensions_Nodes_FormattedNumber o, collector col = o.left.coalesce(0) locale = Arel::Nodes.build_quoted(o.locale.tr('_','-')) param = Arel::Nodes.build_quoted("N#{o.precision}") sign = ArelExtensions::Nodes::Case.new.when(col<0). then('-'). else(o.flags.include?('+') ? '+' : (o.flags.include?(' ') ? ' ' : '')) sign_length = o.flags.include?('+') || o.flags.include?(' ') ? Arel::Nodes.build_quoted(1) : ArelExtensions::Nodes::Case.new.when(col<0).then(1).else(0) number = if o.scientific_notation ArelExtensions::Nodes::Concat.new([ Arel::Nodes::NamedFunction.new('FORMAT',[ col.abs/Arel::Nodes.build_quoted(10).pow(col.abs.log10.floor), param, locale ]), o.type, Arel::Nodes::NamedFunction.new('FORMAT',[ col.abs.log10.floor, Arel::Nodes.build_quoted('N0'), locale ]) ]) else Arel::Nodes::NamedFunction.new('FORMAT',[ Arel::Nodes.build_quoted(col.abs), param, locale ]) end repeated_char = (o.width == 0) ? Arel::Nodes.build_quoted('') : ArelExtensions::Nodes::Case.new(). when(Arel::Nodes.build_quoted(o.width).abs-(number.length+sign_length)>0). then(Arel::Nodes.build_quoted( o.flags.include?('-') ? ' ' : (o.flags.include?('0') ? '0' : ' ') ).repeat(Arel::Nodes.build_quoted(o.width).abs-(number.length+sign_length)) ). else('') before = (!o.flags.include?('0'))&&(!o.flags.include?('-')) ? repeated_char : '' middle = (o.flags.include?('0'))&&(!o.flags.include?('-')) ? repeated_char : '' after = o.flags.include?('-') ? repeated_char : '' full_number = ArelExtensions::Nodes::Concat.new([ before, sign, middle, number, after ]) collector = visit ArelExtensions::Nodes::Concat.new([Arel::Nodes.build_quoted(o.prefix),full_number,Arel::Nodes.build_quoted(o.suffix)]), collector collector end |
#visit_ArelExtensions_Nodes_GroupConcat(o, collector) ⇒ Object
TODO;
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# File 'lib/arel_extensions/visitors/mssql.rb', line 404 def visit_ArelExtensions_Nodes_GroupConcat o, collector collector << "(STRING_AGG(" collector = visit o.left, collector collector << Arel::Visitors::Oracle::COMMA collector = if o.separator && o.separator != 'NULL' visit o.separator, collector else visit Arel::Nodes.build_quoted(','), collector end collector << ") WITHIN GROUP (ORDER BY " if o.order.present? o.order.each_with_index do |order,i| collector << Arel::Visitors::Oracle::COMMA if i != 0 collector = visit order, collector end else collector = visit o.left, collector end collector << "))" collector end |
#visit_ArelExtensions_Nodes_IDoesNotMatch(o, collector) ⇒ Object
TODO; manage case insensitivity
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# File 'lib/arel_extensions/visitors/mssql.rb', line 325 def visit_ArelExtensions_Nodes_IDoesNotMatch o, collector collector = visit o.left.ci_collate, collector collector << ' NOT LIKE ' collector = visit o.right.ci_collate, collector if o.escape collector << ' ESCAPE ' visit o.escape, collector else collector end end |
#visit_ArelExtensions_Nodes_IMatches(o, collector) ⇒ Object
TODO; manage case insensitivity
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# File 'lib/arel_extensions/visitors/mssql.rb', line 312 def visit_ArelExtensions_Nodes_IMatches o, collector collector = visit o.left.ci_collate, collector collector << ' LIKE ' collector = visit o.right.ci_collate, collector if o.escape collector << ' ESCAPE ' visit o.escape, collector else collector end end |
#visit_ArelExtensions_Nodes_IsNotNull(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 72 def visit_ArelExtensions_Nodes_IsNotNull o, collector collector << "(" collector = visit o.expr, collector collector << " IS NOT NULL)" collector end |
#visit_ArelExtensions_Nodes_IsNull(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 65 def visit_ArelExtensions_Nodes_IsNull o, collector collector << "(" collector = visit o.expr, collector collector << " IS NULL)" collector end |
#visit_ArelExtensions_Nodes_JsonGet(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 545 def visit_ArelExtensions_Nodes_JsonGet o,collector collector << 'JSON_VALUE(' collector = visit o.dict, collector collector << Arel::Visitors::MySQL::COMMA if o.key.is_a?(Integer) collector << "\"$[#{o.key}]\"" else collector = visit Arel::Nodes.build_quoted('$.')+o.key, collector end collector << ')' collector end |
#visit_ArelExtensions_Nodes_Length(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 157 def visit_ArelExtensions_Nodes_Length o, collector collector << "LEN(" collector = visit o.expr, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_LevenshteinDistance(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 535 def visit_ArelExtensions_Nodes_LevenshteinDistance o, collector collector << "dbo.LEVENSHTEIN_DISTANCE(" collector = visit o.left, collector collector << Arel::Visitors::ToSql::COMMA collector = visit o.right, collector collector << ')' collector end |
#visit_ArelExtensions_Nodes_Locate(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 178 def visit_ArelExtensions_Nodes_Locate o, collector collector << "CHARINDEX(" collector = visit o.right, collector collector << Arel::Visitors::MSSQL::COMMA collector = visit o.left, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_Log10(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 45 def visit_ArelExtensions_Nodes_Log10 o, collector collector << "LOG10(" o.expressions.each_with_index { |arg, i| collector << Arel::Visitors::ToSql::COMMA if i != 0 collector = visit arg, collector } collector << ")" collector end |
#visit_ArelExtensions_Nodes_Ltrim(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 215 def visit_ArelExtensions_Nodes_Ltrim o, collector if o.right collector << "REPLACE(REPLACE(LTRIM(REPLACE(REPLACE(" collector = visit o.left, collector collector << ", ' ', '~'), " collector = visit o.right, collector collector << ", ' ')), ' ', " collector = visit o.right, collector collector << "), '~', ' ')" else collector << "LTRIM(" collector = visit o.left, collector collector << ")" end collector end |
#visit_ArelExtensions_Nodes_MD5(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 427 def visit_ArelExtensions_Nodes_MD5 o, collector collector << "LOWER(CONVERT(NVARCHAR(32),HashBytes('MD5',CONVERT(VARCHAR," collector = visit o.left, collector collector << ")),2))" collector end |
#visit_ArelExtensions_Nodes_NotBlank(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 253 def visit_ArelExtensions_Nodes_NotBlank o, collector visit o.expr.coalesce('').trim.length.gt(0), collector end |
#visit_ArelExtensions_Nodes_Power(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 55 def visit_ArelExtensions_Nodes_Power o, collector collector << "POWER(" o.expressions.each_with_index { |arg, i| collector << Arel::Visitors::ToSql::COMMA if i != 0 collector = visit arg, collector } collector << ")" collector end |
#visit_ArelExtensions_Nodes_Repeat(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 89 def visit_ArelExtensions_Nodes_Repeat o, collector collector << "REPLICATE(" o.expressions.each_with_index { |arg, i| collector << Arel::Visitors::ToSql::COMMA if i != 0 collector = visit arg, collector } collector << ")" collector end |
#visit_ArelExtensions_Nodes_Replace(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 291 def visit_ArelExtensions_Nodes_Replace o, collector collector << "REPLACE(" o.expressions.each_with_index { |arg, i| collector << Arel::Visitors::MSSQL::COMMA if i != 0 collector = visit arg, collector } collector << ")" collector end |
#visit_ArelExtensions_Nodes_Round(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 164 def visit_ArelExtensions_Nodes_Round o, collector collector << "ROUND(" o.expressions.each_with_index { |arg, i| collector << Arel::Visitors::MSSQL::COMMA if i != 0 collector = visit arg, collector } if o.expressions.length == 1 collector << Arel::Visitors::MSSQL::COMMA collector << "0" end collector << ")" collector end |
#visit_ArelExtensions_Nodes_Rtrim(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 232 def visit_ArelExtensions_Nodes_Rtrim o, collector if o.right collector << "REPLACE(REPLACE(RTRIM(REPLACE(REPLACE(" collector = visit o.left, collector collector << ", ' ', '~'), " collector = visit o.right, collector collector << ", ' ')), ' ', " collector = visit o.right, collector collector << "), '~', ' ')" else collector << "RTRIM(" collector = visit o.left, collector collector << ")" end collector end |
#visit_ArelExtensions_Nodes_SMatches(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 361 def visit_ArelExtensions_Nodes_SMatches o, collector collector = visit o.left.collate, collector collector << ' LIKE ' collector = visit o.right.collate, collector if o.escape collector << ' ESCAPE ' visit o.escape, collector else collector end end |
#visit_ArelExtensions_Nodes_Std(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 520 def visit_ArelExtensions_Nodes_Std o, collector collector << (o.unbiased_estimator ? "STDEV(" : "STDEVP(") visit o.left, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_Substring(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 187 def visit_ArelExtensions_Nodes_Substring o, collector collector << 'SUBSTRING(' collector = visit o.expressions[0], collector collector << Arel::Visitors::MSSQL::COMMA collector = visit o.expressions[1], collector collector << Arel::Visitors::MSSQL::COMMA collector = o.expressions[2] ? visit(o.expressions[2], collector) : visit(o.expressions[0].length, collector) collector << ')' collector end |
#visit_ArelExtensions_Nodes_Trim(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 198 def visit_ArelExtensions_Nodes_Trim o, collector if o.right collector << "REPLACE(REPLACE(LTRIM(RTRIM(REPLACE(REPLACE(" collector = visit o.left, collector collector << ", ' ', '~'), " collector = visit o.right, collector collector << ", ' '))), ' ', " collector = visit o.right, collector collector << "), '~', ' ')" else collector << "LTRIM(RTRIM(" collector = visit o.left, collector collector << "))" end collector end |
#visit_ArelExtensions_Nodes_Variance(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/mssql.rb', line 527 def visit_ArelExtensions_Nodes_Variance o, collector collector << (o.unbiased_estimator ? "VAR(" : "VARP(") visit o.left, collector collector << ")" collector end |