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xml.c

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    • Tom Lane's avatar
      2d4db367
      Fix up text concatenation so that it accepts all the reasonable cases that · 2d4db367
      Tom Lane authored
      were accepted by prior Postgres releases.  This takes care of the loose end
      left by the preceding patch to downgrade implicit casts-to-text.  To avoid
      breaking desirable behavior for array concatenation, introduce a new
      polymorphic pseudo-type "anynonarray" --- the added concatenation operators
      are actually text || anynonarray and anynonarray || text.
      2d4db367
      History
      Fix up text concatenation so that it accepts all the reasonable cases that
      Tom Lane authored
      were accepted by prior Postgres releases.  This takes care of the loose end
      left by the preceding patch to downgrade implicit casts-to-text.  To avoid
      breaking desirable behavior for array concatenation, introduce a new
      polymorphic pseudo-type "anynonarray" --- the added concatenation operators
      are actually text || anynonarray and anynonarray || text.