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Convert SGML IDs to lower case
IDs in SGML are case insensitive, and we have accumulated a mix of upper and lower case IDs, including different variants of the same ID. In XML, these will be case sensitive, so we need to fix up those differences. Going to all lower case seems most straightforward, and the current build process already makes all anchors and lower case anyway during the SGML->XML conversion, so this doesn't create any difference in the output right now. A future XML-only build process would, however, maintain any mixed case ID spellings in the output, so that is another reason to clean this up beforehand. Author: Alexander Lakhin <exclusion@gmail.com>
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@@ -3,7 +3,7 @@ doc/src/sgml/rel/alter_foreign_table.sgml
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PostgreSQL documentation
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-->
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<refentry id="SQL-ALTERFOREIGNTABLE">
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<refentry id="sql-alterforeigntable">
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<indexterm zone="sql-alterforeigntable">
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<primary>ALTER FOREIGN TABLE</primary>
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</indexterm>
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@@ -72,7 +72,7 @@ ALTER FOREIGN TABLE [ IF EXISTS ] <replaceable class="parameter">name</replaceab
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<listitem>
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<para>
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This form adds a new column to the foreign table, using the same syntax as
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<xref linkend="SQL-CREATEFOREIGNTABLE">.
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<xref linkend="sql-createforeigntable">.
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Unlike the case when adding a column to a regular table, nothing happens
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to the underlying storage: this action simply declares that
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some new column is now accessible through the foreign table.
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@@ -173,7 +173,7 @@ ALTER FOREIGN TABLE [ IF EXISTS ] <replaceable class="parameter">name</replaceab
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<listitem>
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<para>
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This form adds a new constraint to a foreign table, using the same
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syntax as <xref linkend="SQL-CREATEFOREIGNTABLE">.
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syntax as <xref linkend="sql-createforeigntable">.
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Currently only <literal>CHECK</literal> constraints are supported.
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</para>
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@@ -182,7 +182,7 @@ ALTER FOREIGN TABLE [ IF EXISTS ] <replaceable class="parameter">name</replaceab
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done to verify the constraint is correct; rather, this action simply
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declares that some new condition should be assumed to hold for all rows
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in the foreign table. (See the discussion
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in <xref linkend="SQL-CREATEFOREIGNTABLE">.)
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in <xref linkend="sql-createforeigntable">.)
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If the constraint is marked <literal>NOT VALID</literal>, then it isn't
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assumed to hold, but is only recorded for possible future use.
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</para>
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