Class: Arel::Visitors::PostgreSQL
- Inherits:
-
Object
- Object
- Arel::Visitors::PostgreSQL
- Defined in:
- lib/arel_extensions/visitors/postgresql.rb
Constant Summary collapse
- DATE_MAPPING =
{ 'd' => 'DAY', 'm' => 'MONTH', 'w' => 'WEEK', 'y' => 'YEAR', 'wd' => 'DOW', 'h' => 'HOUR', 'mn' => 'MINUTE', 's' => 'SECOND' }.freeze
- DATE_FORMAT_DIRECTIVES =
{ '%Y' => 'IYYY', '%C' => 'CC', '%y' => 'YY', '%m' => 'MM', '%B' => 'Month', '%^B' => 'MONTH', '%b' => 'Mon', '%^b' => 'MON', '%d' => 'DD', '%e' => 'FMDD', '%j' => 'DDD', '%w' => '', '%A' => 'Day', # day, weekday '%H' => 'HH24', '%k' => '', '%I' => 'HH', '%l' => '', '%P' => 'am', '%p' => 'AM', # hours '%M' => 'MI', '%S' => 'SS', '%L' => 'MS', '%N' => 'US', '%z' => 'tz', # seconds, subseconds '%%' => '%', }.freeze
- NUMBER_COMMA_MAPPING =
{ 'en_US' => '.,', 'fr_FR' => ',', 'sv_SE' => ', ' }.freeze
Instance Method Summary collapse
- #visit_Aggregate_For_AggregateFunction(o, collector) ⇒ Object
- #visit_Arel_Attributes_Attribute(o, collector) ⇒ Object
- #visit_Arel_Nodes_As(o, collector) ⇒ Object
- #visit_Arel_Nodes_NotRegexp(o, collector) ⇒ Object
- #visit_Arel_Nodes_Regexp(o, collector) ⇒ Object
- #visit_Arel_Nodes_SelectStatement(o, collector) ⇒ Object
- #visit_Arel_Nodes_TableAlias(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_AiIMatches(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_AiMatches(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Cast(o, collector) ⇒ Object
- #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_Format(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_FormattedNumber(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_GroupConcat(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_IsNotNull(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_IsNull(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Json(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_JsonGet(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_JsonGroup(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_JsonMerge(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_JsonSet(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_Power(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Rand(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_RegexpReplace(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Repeat(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_Sum(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Trim(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Variance(o, collector) ⇒ Object
- #visit_ArelExtensions_Nodes_Wday(o, collector) ⇒ Object
Instance Method Details
#visit_Aggregate_For_AggregateFunction(o, collector) ⇒ Object
95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 95 def visit_Aggregate_For_AggregateFunction o, collector if !o.order.blank? || !o.group.blank? collector << " OVER (" if !o.group.blank? collector << " PARTITION BY " o.group.each_with_index do |group, i| collector << COMMA if i != 0 visit group, collector end end if !o.order.blank? collector << " ORDER BY " o.order.each_with_index do |order, i| collector << COMMA if i != 0 visit order, collector end end collector << ")" end collector end |
#visit_Arel_Attributes_Attribute(o, collector) ⇒ Object
463 464 465 466 467 468 469 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 463 def visit_Arel_Attributes_Attribute o, collector join_name = o.relation.table_alias || o.relation.name if join_name.length > 63 join_name = Arel.shorten(join_name) end collector << "#{quote_table_name join_name}.#{quote_column_name o.name}" end |
#visit_Arel_Nodes_As(o, collector) ⇒ Object
81 82 83 84 85 86 87 88 89 90 91 92 93 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 81 def visit_Arel_Nodes_As o, collector 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 << "\"" collector end |
#visit_Arel_Nodes_NotRegexp(o, collector) ⇒ Object
63 64 65 66 67 68 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 63 def visit_Arel_Nodes_NotRegexp o, collector collector = visit o.left, collector collector << " !~ " collector = visit o.right, collector collector end |
#visit_Arel_Nodes_Regexp(o, collector) ⇒ Object
55 56 57 58 59 60 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 55 def visit_Arel_Nodes_Regexp o, collector collector = visit o.left, collector collector << " ~ " collector = visit o.right, collector collector end |
#visit_Arel_Nodes_SelectStatement(o, collector) ⇒ Object
445 446 447 448 449 450 451 452 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 445 def visit_Arel_Nodes_SelectStatement o, collector if !(collector.value.blank? || (collector.value.is_a?(Array) && collector.value[0].blank?)) && o.limit.blank? && o.offset.blank? o = o.dup o.orders = [] end old_visit_Arel_Nodes_SelectStatement(o,collector) end |
#visit_Arel_Nodes_TableAlias(o, collector) ⇒ Object
455 456 457 458 459 460 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 455 def visit_Arel_Nodes_TableAlias o, collector if o.name.length > 63 o = Arel::Table.new(o.table_name).alias(Arel.shorten(o.name)) end old_visit_Arel_Nodes_TableAlias(o,collector) end |
#visit_ArelExtensions_Nodes_AiIMatches(o, collector) ⇒ Object
201 202 203 204 205 206 207 208 209 210 211 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 201 def visit_ArelExtensions_Nodes_AiIMatches o, collector collector = visit o.left.ai_collate, collector collector << ' ILIKE ' collector = visit o.right.ai_collate, collector if o.escape collector << ' ESCAPE ' visit o.escape, collector else collector end end |
#visit_ArelExtensions_Nodes_AiMatches(o, collector) ⇒ Object
189 190 191 192 193 194 195 196 197 198 199 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 189 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_Cast(o, collector) ⇒ Object
355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 355 def visit_ArelExtensions_Nodes_Cast o, collector as_attr = case o.as_attr when :string Arel::Nodes::SqlLiteral.new('varchar') when :text, :ntext Arel::Nodes::SqlLiteral.new('text') when :time Arel::Nodes::SqlLiteral.new('time') when :int collector << "CAST(CAST(" collector = visit o.left, collector collector << " AS numeric) AS int)" return collector when :number, :decimal, :float Arel::Nodes::SqlLiteral.new('numeric') when :datetime Arel::Nodes::SqlLiteral.new('timestamp') when :date Arel::Nodes::SqlLiteral.new('date') when :binary Arel::Nodes::SqlLiteral.new('binary') else 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_Collate(o, collector) ⇒ Object
225 226 227 228 229 230 231 232 233 234 235 236 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 225 def visit_ArelExtensions_Nodes_Collate o, collector if o.ai collector << "unaccent(" collector = visit o.expressions.first, collector collector << ")" elsif o.ci collector = visit o.expressions.first, collector else collector = visit o.expressions.first, collector end collector end |
#visit_ArelExtensions_Nodes_Concat(o, collector) ⇒ Object
70 71 72 73 74 75 76 77 78 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 70 def visit_ArelExtensions_Nodes_Concat o, collector collector << '(' o.expressions.each_with_index { |arg, i| collector = visit arg, collector collector << ' || ' unless i == o.expressions.length - 1 } collector << ")" collector end |
#visit_ArelExtensions_Nodes_DateAdd(o, collector) ⇒ Object
238 239 240 241 242 243 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 238 def visit_ArelExtensions_Nodes_DateAdd o, collector collector = visit o.left, collector collector << ' + ' # (o.right.value >= 0 ? ' + ' : ' - ') collector = visit o.postgresql_value(o.right), collector collector end |
#visit_ArelExtensions_Nodes_DateDiff(o, collector) ⇒ Object
245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 245 def visit_ArelExtensions_Nodes_DateDiff o, collector if o.right_node_type == :ruby_date || o.right_node_type == :ruby_time || o.right_node_type == :date || o.right_node_type == :datetime || o.right_node_type == :time collector << if o.left_node_type == :ruby_time || o.left_node_type == :datetime || o.left_node_type == :time "DATEDIFF('second', " else "DATEDIFF('day', " end collector = visit o.right, collector collector << (o.right_node_type == :date ? '::date' : '::timestamp') collector << COMMA collector = visit o.left, collector collector << (o.left_node_type == :date ? '::date' : '::timestamp') collector << ")" else collector << '(' collector = visit o.left, collector collector << ' - (' if o.right.is_a?(ArelExtensions::Nodes::Duration) o.right.with_interval = true end collector = visit o.right, collector collector << '))' end collector end |
#visit_ArelExtensions_Nodes_Duration(o, collector) ⇒ Object
271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 271 def visit_ArelExtensions_Nodes_Duration o, collector if o.with_interval interval = case o.left when 'd','m','y' 'DAY' when 'h','mn','s' 'SECOND' when /i\z/ collector << "(" collector = visit o.right, collector collector << ")" collector << " * (INTERVAL '1' #{DATE_MAPPING[o.left[0..-2]]})" return collector end end collector << "EXTRACT(#{DATE_MAPPING[o.left]} FROM " collector = visit o.right, collector collector << ")" collector << " * (INTERVAL '1' #{interval})" if interval && o.with_interval collector end |
#visit_ArelExtensions_Nodes_Format(o, collector) ⇒ Object
169 170 171 172 173 174 175 176 177 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 169 def visit_ArelExtensions_Nodes_Format o, collector fmt = ArelExtensions::Visitors::strftime_to_format(o.iso_format, DATE_FORMAT_DIRECTIVES) collector << "TO_CHAR(" collector = visit o.left, collector collector << COMMA collector = visit Arel::Nodes.build_quoted(fmt), collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_FormattedNumber(o, collector) ⇒ Object
387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 387 def visit_ArelExtensions_Nodes_FormattedNumber o, collector col = o.left.coalesce(0) comma = o.precision == 0 ? '' : (NUMBER_COMMA_MAPPING[o.locale][0] || '.') thousand_separator = NUMBER_COMMA_MAPPING[o.locale][1] || (NUMBER_COMMA_MAPPING[o.locale] ? '' : 'G') nines_after = (1..o.precision).map{'9'}.join('') nines_before = ("999#{thousand_separator}"*4+"990") sign = ArelExtensions::Nodes::Case.new.when(col<0). then('-'). else(o.flags.include?('+') ? '+' : (o.flags.include?(' ') ? ' ' : '')) sign_length = ArelExtensions::Nodes::Length.new([sign]) number = if o.scientific_notation ArelExtensions::Nodes::Concat.new([ Arel::Nodes::NamedFunction.new('TRIM',[ Arel::Nodes::NamedFunction.new('TO_CHAR',[ col.abs/Arel::Nodes.build_quoted(10).pow(col.abs.log10.floor), Arel::Nodes.build_quoted('FM'+nines_before+'"'+comma+'"V'+nines_after) ])]), o.type, Arel::Nodes::NamedFunction.new('TRIM',[ Arel::Nodes::NamedFunction.new('TO_CHAR',[ col.abs.log10.floor, Arel::Nodes.build_quoted('FM'+nines_before) ])]) ]) else Arel::Nodes::NamedFunction.new('TRIM',[ Arel::Nodes::NamedFunction.new('TO_CHAR',[ Arel::Nodes.build_quoted(col.abs), Arel::Nodes.build_quoted('FM'+nines_before+'"'+comma+'"V'+nines_after) ])]) 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
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 117 def visit_ArelExtensions_Nodes_GroupConcat o, collector collector << "array_to_string(array_agg(" collector = visit o.left, collector if o.order && !o.order.blank? collector << " ORDER BY" o.order.each_with_index do |order, i| collector << COMMA if i != 0 collector << " " visit order, collector end end collector << ")" o.order = nil visit_Aggregate_For_AggregateFunction o, collector collector << COMMA collector = if o.separator && o.separator != 'NULL' visit o.separator, collector else visit Arel::Nodes.build_quoted(','), collector end collector << ")" collector end |
#visit_ArelExtensions_Nodes_IsNotNull(o, collector) ⇒ Object
334 335 336 337 338 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 334 def visit_ArelExtensions_Nodes_IsNotNull o, collector collector = visit o.expr, collector collector << ' IS NOT NULL' collector end |
#visit_ArelExtensions_Nodes_IsNull(o, collector) ⇒ Object
328 329 330 331 332 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 328 def visit_ArelExtensions_Nodes_IsNull o, collector collector = visit o.expr, collector collector << ' IS NULL' collector end |
#visit_ArelExtensions_Nodes_Json(o, collector) ⇒ Object
487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 487 def visit_ArelExtensions_Nodes_Json o,collector case o.dict when Array collector << 'to_jsonb(array[' o.dict.each.with_index do |v,i| if i != 0 collector << Arel::Visitors::MySQL::COMMA end collector = visit v, collector end collector << '])' when Hash collector << 'jsonb_build_object(' o.dict.each.with_index do |(k,v),i| if i != 0 collector << Arel::Visitors::MySQL::COMMA end collector = visit k, collector collector << Arel::Visitors::MySQL::COMMA collector = visit v, collector end collector << ')' when String,Numeric,TrueClass,FalseClass collector = visit Arel::Nodes.build_quoted("#{o.dict}"), collector collector << '::jsonb' when NilClass collector << %Q['null'::jsonb] when Arel::Attributes::Attribute collector = visit o.dict.cast(:jsonb), collector else collector = visit o.dict, collector collector << '::jsonb' end collector end |
#visit_ArelExtensions_Nodes_JsonGet(o, collector) ⇒ Object
533 534 535 536 537 538 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 533 def visit_ArelExtensions_Nodes_JsonGet o,collector collector = visit o.dict, collector collector << ' -> ' collector = visit o.key, collector collector end |
#visit_ArelExtensions_Nodes_JsonGroup(o, collector) ⇒ Object
554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 554 def visit_ArelExtensions_Nodes_JsonGroup o, collector if o.as_array collector << 'jsonb_agg(' collector = visit o.dict, collector collector << ')' else case o.dict when Hash o.dict.each.with_index do |(k,v),i| if i != 0 collector << ' || ' end collector << 'jsonb_object_agg(' collector = visit k, collector collector << Arel::Visitors::MySQL::COMMA collector = visit v, collector collector << ')' end else collector << 'jsonb_object_agg(' collector = visit o.dict, collector collector << ')' end end collector end |
#visit_ArelExtensions_Nodes_JsonMerge(o, collector) ⇒ Object
523 524 525 526 527 528 529 530 531 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 523 def visit_ArelExtensions_Nodes_JsonMerge o,collector o.expressions.each.with_index do |v,i| if i != 0 collector << ' || ' end collector = visit v, collector end collector end |
#visit_ArelExtensions_Nodes_JsonSet(o, collector) ⇒ Object
540 541 542 543 544 545 546 547 548 549 550 551 552 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 540 def visit_ArelExtensions_Nodes_JsonSet o,collector collector << 'jsonb_set(' collector = visit o.dict, collector collector << Arel::Visitors::MySQL::COMMA collector << 'array[' collector = visit o.key, collector collector << ']' collector << Arel::Visitors::MySQL::COMMA collector = visit o.value, collector collector << Arel::Visitors::MySQL::COMMA collector << 'true)' collector end |
#visit_ArelExtensions_Nodes_Locate(o, collector) ⇒ Object
293 294 295 296 297 298 299 300 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 293 def visit_ArelExtensions_Nodes_Locate o, collector collector << "POSITION(" collector = visit o.right, collector collector << " IN " collector = visit o.left, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_Log10(o, collector) ⇒ Object
43 44 45 46 47 48 49 50 51 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 43 def visit_ArelExtensions_Nodes_Log10 o, collector collector << "LOG(" 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
151 152 153 154 155 156 157 158 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 151 def visit_ArelExtensions_Nodes_Ltrim o, collector collector << 'TRIM(LEADING ' collector = visit o.right, collector collector << " FROM " collector = visit o.left, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_Power(o, collector) ⇒ Object
33 34 35 36 37 38 39 40 41 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 33 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_Rand(o, collector) ⇒ Object
22 23 24 25 26 27 28 29 30 31 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 22 def visit_ArelExtensions_Nodes_Rand o, collector collector << "RANDOM(" if (o.left != nil && o.right != nil) collector = visit o.left, collector collector << COMMA collector = isit o.right, collector end collector << ")" collector end |
#visit_ArelExtensions_Nodes_RegexpReplace(o, collector) ⇒ Object
312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 312 def visit_ArelExtensions_Nodes_RegexpReplace o, collector collector << "REGEXP_REPLACE(" visit o.left, collector collector << Arel::Visitors::ToSql::COMMA tab = o.pattern.inspect+ 'g' # Make it always global pattern = tab.split('/')[1..-2].join('/') flags = tab.split('/')[-1] visit Arel::Nodes.build_quoted(pattern), collector collector << Arel::Visitors::ToSql::COMMA visit o.substitute, collector collector << Arel::Visitors::ToSql::COMMA visit Arel::Nodes.build_quoted(flags+"g"), collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_Repeat(o, collector) ⇒ Object
179 180 181 182 183 184 185 186 187 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 179 def visit_ArelExtensions_Nodes_Repeat o, collector collector << "REPEAT(" 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_Rtrim(o, collector) ⇒ Object
160 161 162 163 164 165 166 167 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 160 def visit_ArelExtensions_Nodes_Rtrim o, collector collector << 'TRIM(TRAILING ' collector = visit o.right, collector collector << " FROM " collector = visit o.left, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_SMatches(o, collector) ⇒ Object
213 214 215 216 217 218 219 220 221 222 223 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 213 def visit_ArelExtensions_Nodes_SMatches o, collector collector = visit o.left, collector collector << ' LIKE ' collector = visit o.right, collector if o.escape collector << ' ESCAPE ' visit o.escape, collector else collector end end |
#visit_ArelExtensions_Nodes_Std(o, collector) ⇒ Object
471 472 473 474 475 476 477 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 471 def visit_ArelExtensions_Nodes_Std o, collector collector << (o.unbiased_estimator ? "STDDEV_SAMP(" : "STDDEV_POP(") visit o.left, collector collector << ")" visit_Aggregate_For_AggregateFunction o, collector collector end |
#visit_ArelExtensions_Nodes_Substring(o, collector) ⇒ Object
302 303 304 305 306 307 308 309 310 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 302 def visit_ArelExtensions_Nodes_Substring o, collector collector << "SUBSTR(" 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) ⇒ Object
340 341 342 343 344 345 346 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 340 def visit_ArelExtensions_Nodes_Sum o, collector collector << "sum(" collector = visit o.expr, collector collector << ")" visit_Aggregate_For_AggregateFunction o, collector collector end |
#visit_ArelExtensions_Nodes_Trim(o, collector) ⇒ Object
142 143 144 145 146 147 148 149 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 142 def visit_ArelExtensions_Nodes_Trim o, collector collector << 'TRIM(BOTH ' collector = visit o.right, collector collector << " FROM " collector = visit o.left, collector collector << ")" collector end |
#visit_ArelExtensions_Nodes_Variance(o, collector) ⇒ Object
479 480 481 482 483 484 485 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 479 def visit_ArelExtensions_Nodes_Variance o, collector collector << (o.unbiased_estimator ? "VAR_SAMP(" : "VAR_POP(") visit o.left, collector collector << ")" visit_Aggregate_For_AggregateFunction o, collector collector end |
#visit_ArelExtensions_Nodes_Wday(o, collector) ⇒ Object
348 349 350 351 352 353 |
# File 'lib/arel_extensions/visitors/postgresql.rb', line 348 def visit_ArelExtensions_Nodes_Wday o, collector collector << "EXRTACT(DOW, " collector = visit o.date, collector collector << ')' collector end |