Class: Arel::Visitors::IBM_DB
- Inherits:
-
Object
- Object
- Arel::Visitors::IBM_DB
- Defined in:
- lib/arel_extensions/visitors/ibm_db.rb
Instance Method Summary collapse
- #visit_ArelExtensions_Nodes_Ceil(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_DateDiff(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Duration(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_IsNull(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Trim(o, collector) ⇒ Object
Instance Method Details
#visit_ArelExtensions_Nodes_Ceil(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/ibm_db.rb', line 5 def visit_ArelExtensions_Nodes_Ceil o, collector collector << "CEILING(" collector = visit o.expr, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_DateDiff(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/ibm_db.rb', line 23 def visit_ArelExtensions_Nodes_DateDiff o, collector collector << "DAY(" collector = visit o.left, collector collector << "," if o.right.is_a?(Arel::Attributes::Attribute) collector = visit o.right, collector else collector << "'#{o.right}'" end collector << ")" collector end |
#visit_ArelExtensions_Nodes_Duration(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/ibm_db.rb', line 37 def visit_ArelExtensions_Nodes_Duration o, collector #visit left for period if o.left == "d" collector << "DAY(" elsif o.left == "m" collector << "MONTH(" elsif o.left == "w" collector << "WEEK" elsif o.left == "y" collector << "YEAR(" end #visit right if o.right.is_a?(Arel::Attributes::Attribute) collector = visit o.right, collector else collector << "'#{o.right}'" end collector << ")" collector end |
#visit_ArelExtensions_Nodes_IsNull(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/ibm_db.rb', line 59 def visit_ArelExtensions_Nodes_IsNull o, collector collector << "COALESCE(" collector = visit o.left, collector collector << "," if(o.right.is_a?(Arel::Attributes::Attribute)) collector = visit o.right, collector else collector << "'#{o.right}'" end collector << ")" collector end |
#visit_ArelExtensions_Nodes_Trim(o, collector) ⇒ Object
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# File 'lib/arel_extensions/visitors/ibm_db.rb', line 12 def visit_ArelExtensions_Nodes_Trim o, collector collector << "LTRIM(RTRIM(" o.expressions.each_with_index { |arg, i| collector << Arel::Visitors::IBM_DB::COMMA unless i == 0 collector = visit arg, collector } collector << "))" collector end |