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Sequel::ODBC::Dataset

Constants

BOOL_TRUE
BOOL_FALSE
ODBC_DATE_FORMAT
TIMESTAMP_FORMAT
DatasetClass

Public Instance Methods

fetch_rows(sql) click to toggle source
     # File lib/sequel/adapters/odbc.rb, line 103
103:       def fetch_rows(sql)
104:         execute(sql) do |s|
105:           i = 1
106:           cols = s.columns(true).map{|c| [output_identifier(c.name), i+=1]}
107:           columns = cols.map{|c| c.at(0)}
108:           if opts[:offset] && offset_returns_row_number_column?
109:             rn = row_number_column
110:             columns.delete(rn)
111:           end
112:           @columns = columns
113:           if rows = s.fetch_all
114:             rows.each do |row|
115:               hash = {}
116:               cols.each{|n,i| hash[n] = convert_odbc_value(row[i])}
117:               hash.delete(rn) if rn
118:               yield hash
119:             end
120:           end
121:         end
122:         self
123:       end

Private Instance Methods

convert_odbc_value(v) click to toggle source
     # File lib/sequel/adapters/odbc.rb, line 127
127:       def convert_odbc_value(v)
128:         # When fetching a result set, the Ruby ODBC driver converts all ODBC 
129:         # SQL types to an equivalent Ruby type; with the exception of
130:         # SQL_TYPE_DATE, SQL_TYPE_TIME and SQL_TYPE_TIMESTAMP.
131:         #
132:         # The conversions below are consistent with the mappings in
133:         # ODBCColumn#mapSqlTypeToGenericType and Column#klass.
134:         case v
135:         when ::ODBC::TimeStamp
136:           db.to_application_timestamp([v.year, v.month, v.day, v.hour, v.minute, v.second])
137:         when ::ODBC::Time
138:           Sequel::SQLTime.create(v.hour, v.minute, v.second)
139:         when ::ODBC::Date
140:           Date.new(v.year, v.month, v.day)
141:         else
142:           v
143:         end
144:       end
default_timestamp_format() click to toggle source
     # File lib/sequel/adapters/odbc.rb, line 146
146:       def default_timestamp_format
147:         TIMESTAMP_FORMAT
148:       end
literal_date(v) click to toggle source
     # File lib/sequel/adapters/odbc.rb, line 150
150:       def literal_date(v)
151:         v.strftime(ODBC_DATE_FORMAT)
152:       end
literal_false() click to toggle source
     # File lib/sequel/adapters/odbc.rb, line 154
154:       def literal_false
155:         BOOL_FALSE
156:       end
literal_true() click to toggle source
     # File lib/sequel/adapters/odbc.rb, line 158
158:       def literal_true
159:         BOOL_TRUE
160:       end

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