Documentation changes from Major Differences sheet - Limitations section.xl_doc_update

9 files changed, 45 insertions, 34 deletions

diff --git a/doc/src/sgml/ddl.sgml b/doc/src/sgml/ddl.sgml
index 4ffa09bf30..31ad4b83f5 100644..100755
--- a/doc/src/sgml/ddl.sgml
+++ b/doc/src/sgml/ddl.sgml
@@ -1339,16 +1339,19 @@ CREATE TABLE circles (
     <listitem>
      <para>Remove a node from existing distribution target</para>
     </listitem>
+    <listitem>
+     <para>Modifying distribution columns definition if existing values are within limits of new data type</para>
+    </listitem>
    </itemizedlist>
   </para>
   <para>
    In <productname>Postgres-XL</> the following are not allowed:
    <itemizedlist spacing="compact">
     <listitem>
-     <para>Modifying distribution columns definition</para>
+     <para>Modifying distribution column values</para>
     </listitem>
     <listitem>
-     <para>Modifying distribution column values</para>
+     <para>Dropping distribution column</para>
     </listitem>
    </itemizedlist>
   </para>
diff --git a/doc/src/sgml/ref/alter_table.sgml b/doc/src/sgml/ref/alter_table.sgml
index 1fd3d29f89..e5a677925d 100644..100755
--- a/doc/src/sgml/ref/alter_table.sgml
+++ b/doc/src/sgml/ref/alter_table.sgml
@@ -719,9 +719,8 @@ ALTER TABLE ALL IN TABLESPACE <replaceable class="PARAMETER">name</replaceable>
          Each row of the table will be placed based on the hash value
          of the specified column.  Following type is allowed as
          distribution column: INT8, INT2, OID, INT4, BOOL, INT2VECTOR,
-         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, FLOAT4,
-         FLOAT8, NUMERIC, CASH, ABSTIME, RELTIME, DATE, TIME,
-         TIMESTAMP, TIMESTAMPTZ, INTERVAL, and TIMETZ.
+         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, NUMERIC, MONEY,
+         ABSTIME, RELTIME, DATE, TIME,TIMESTAMP, TIMESTAMPTZ, INTERVAL, and TIMETZ.
         </para>
         <para>
          Please note that floating point is not allowed as a basis of
@@ -736,10 +735,8 @@ ALTER TABLE ALL IN TABLESPACE <replaceable class="PARAMETER">name</replaceable>
         <para>
          Each row of the table will be placed based on the modulo
          of the specified column.  Following type is allowed as
-         distribution column: INT8, INT2, OID, INT4, BOOL, INT2VECTOR,
-         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, FLOAT4,
-         FLOAT8, NUMERIC, CASH, ABSTIME, RELTIME, DATE, TIME,
-         TIMESTAMP, TIMESTAMPTZ, INTERVAL, and TIMETZ.
+         distribution column: INT8, INT2, INT4, BOOL, ABSTIME, RELTIME, 
+         DATE.
         </para>
         <para>
          Please note that floating point is not allowed as a basis of
diff --git a/doc/src/sgml/ref/begin.sgml b/doc/src/sgml/ref/begin.sgml
index c04f1c8064..1b1b20e22b 100644..100755
--- a/doc/src/sgml/ref/begin.sgml
+++ b/doc/src/sgml/ref/begin.sgml
@@ -63,6 +63,11 @@ BEGIN [ WORK | TRANSACTION ] [ <replaceable class="parameter">transaction_mode</
    <xref linkend="sql-set-transaction">
    was executed.
   </para>
+
+  <para>
+   In <productname>Postgres-XL</> isolation level SERIALIZABLE is converted to 
+   REPEATABLE READ internally silently.
+  </para>
  </refsect1>
 
  <refsect1>
diff --git a/doc/src/sgml/ref/create_table.sgml b/doc/src/sgml/ref/create_table.sgml
index 34ff649040..f75977bed2 100644..100755
--- a/doc/src/sgml/ref/create_table.sgml
+++ b/doc/src/sgml/ref/create_table.sgml
@@ -599,7 +599,8 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXI
 
      <para>
       In <productname>Postgres-XL</>, exclusion constraints are currently not
-      supported.
+      supported.The constraint is enforced when both rows map to the same datanode.
+      But if they go into different datanodes, the constraint is not enforced.
      </para>
     </listitem>
    </varlistentry>
@@ -917,9 +918,9 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXI
          Each row of the table will be placed based on the hash value
          of the specified column.  Following type is allowed as
          distribution column: INT8, INT2, OID, INT4, BOOL, INT2VECTOR,
-         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, FLOAT4,
-         FLOAT8, NUMERIC, CASH, ABSTIME, RELTIME, DATE, TIME,
-         TIMESTAMP, TIMESTAMPTZ, INTERVAL, and TIMETZ.
+         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, NUMERIC, 
+         MONEY, ABSTIME, RELTIME, DATE, TIME,TIMESTAMP, TIMESTAMPTZ, 
+         INTERVAL, and TIMETZ.
         </para>
         <para>
          Please note that floating point is not allowed as a basis of
@@ -934,10 +935,8 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXI
         <para>
          Each row of the table will be placed based on the modulo
          of the specified column.  Following type is allowed as
-         distribution column: INT8, INT2, OID, INT4, BOOL, INT2VECTOR,
-         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, FLOAT4,
-         FLOAT8, NUMERIC, CASH, ABSTIME, RELTIME, DATE, TIME,
-         TIMESTAMP, TIMESTAMPTZ, INTERVAL, and TIMETZ.
+         distribution column: INT8, INT2, INT4, BOOL, ABSTIME, RELTIME, 
+         DATE.
         </para>
         <para>
          Please note that floating point is not allowed as a basis of
@@ -1661,7 +1660,7 @@ CREATE TABLE employees OF employee_type (
    <title><productname>Postgres-XL</> Specifics</title>
 
    <para>
-    Currently, non-immutable functions are not allowed
+    Currently, immutable, stable, volatile functions and nextval are allowed in DEFAULT clause. 
     as <literal>DEFAULT</> values.
    </para>
    <para>
diff --git a/doc/src/sgml/ref/create_table_as.sgml b/doc/src/sgml/ref/create_table_as.sgml
index ca32cbf1ad..790597f9d3 100644..100755
--- a/doc/src/sgml/ref/create_table_as.sgml
+++ b/doc/src/sgml/ref/create_table_as.sgml
@@ -247,9 +247,9 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXI
          Each row of the table will be placed based on the hash value
          of the specified column.  Following type is allowed as
          distribution column: INT8, INT2, OID, INT4, BOOL, INT2VECTOR,
-         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, FLOAT4,
-         FLOAT8, NUMERIC, CASH, ABSTIME, RELTIME, DATE, TIME,
-         TIMESTAMP, TIMESTAMPTZ, INTERVAL, and TIMETZ.
+         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, NUMERIC, 
+         MONEY, ABSTIME, RELTIME, DATE, TIME,TIMESTAMP, TIMESTAMPTZ, 
+         INTERVAL, and TIMETZ.
         </para>
         <para>
          Please note that floating point is not allowed as a basis of
@@ -264,10 +264,8 @@ CREATE [ [ GLOBAL | LOCAL ] { TEMPORARY | TEMP } | UNLOGGED ] TABLE [ IF NOT EXI
         <para>
          Each row of the table will be placed based on the modulo
          of the specified column.  Following type is allowed as
-         distribution column: INT8, INT2, OID, INT4, BOOL, INT2VECTOR,
-         OIDVECTOR, CHAR, NAME, TEXT, BPCHAR, BYTEA, VARCHAR, FLOAT4,
-         FLOAT8, NUMERIC, CASH, ABSTIME, RELTIME, DATE, TIME,
-         TIMESTAMP, TIMESTAMPTZ, INTERVAL, and TIMETZ.
+         distribution column: INT8, INT2, INT4, BOOL, ABSTIME, RELTIME, 
+         DATE.
         </para>
         <para>
          Please note that floating point is not allowed as a basis of
diff --git a/doc/src/sgml/ref/declare.sgml b/doc/src/sgml/ref/declare.sgml
index 0b89cc7799..ce4644d6c2 100644..100755
--- a/doc/src/sgml/ref/declare.sgml
+++ b/doc/src/sgml/ref/declare.sgml
@@ -78,7 +78,7 @@ DECLARE <replaceable class="parameter">name</replaceable> [ BINARY ] [ INSENSITI
     <term><literal>INSENSITIVE</literal></term>
     <listitem>
      <para>
-      In <productname>Postgres-XL</>, <literal>INSENSITIVE</literal> cursor is currently not supported.
+      In <productname>Postgres-XL</>, <literal>INSENSITIVE</literal> cursor is currently supported.
      </para>
      <para>
       Indicates that data retrieved from the cursor should be
@@ -95,7 +95,7 @@ DECLARE <replaceable class="parameter">name</replaceable> [ BINARY ] [ INSENSITI
     <term><literal>NO SCROLL</literal></term>
     <listitem>
      <para>
-      In <productname>Postgres-XL</>, <literal>SCROLL</literal> cursor is currently not supported.
+      In <productname>Postgres-XL</>, <literal>SCROLL</literal> cursor is currently supported.
      </para>
      <para><literal>SCROLL</literal> specifies that the cursor can be used
       to retrieve rows in a nonsequential fashion (e.g.,
@@ -116,7 +116,7 @@ DECLARE <replaceable class="parameter">name</replaceable> [ BINARY ] [ INSENSITI
     <term><literal>WITHOUT HOLD</literal></term>
     <listitem>
      <para>
-      In <productname>Postgres-XL</>, <literal>WITH HOLD</literal> cursor is currently not supported.
+      In <productname>Postgres-XL</>, <literal>WITH HOLD</literal> cursor is currently supported.
      </para>
      <para><literal>WITH HOLD</literal> specifies that the cursor can
       continue to be used after the transaction that created it
diff --git a/doc/src/sgml/ref/fetch.sgml b/doc/src/sgml/ref/fetch.sgml
index 47b89f11ce..6507361808 100644..100755
--- a/doc/src/sgml/ref/fetch.sgml
+++ b/doc/src/sgml/ref/fetch.sgml
@@ -79,7 +79,7 @@ FETCH [ <replaceable class="PARAMETER">direction</replaceable> [ FROM | IN ] ] <
 
   <para>
    The forms <literal>PRIOR</>, <literal>FIRST</>, <literal>LAST</>
-   and <literal>ABSOLUTE</> are not supported by the current release
+   and <literal>ABSOLUTE</> are supported by the current release
    of <productname>Postgres-XL</>
   </para>
 
@@ -93,7 +93,7 @@ FETCH [ <replaceable class="PARAMETER">direction</replaceable> [ FROM | IN ] ] <
   </para>
 
   <para>
-   The form using <literal>BACKWARD</> is not supported in the current
+   The form using <literal>BACKWARD</> is supported in the current
    release of <productname>Postgres-XL</>.
   </para>
 
@@ -106,7 +106,7 @@ FETCH [ <replaceable class="PARAMETER">direction</replaceable> [ FROM | IN ] ] <
   </para>
 
   <para>
-   The form using <literal>BACKWARD</> is not supported in the current
+   The form using <literal>BACKWARD</> is supported in the current
    release of <productname>Postgres-XL</>.
   </para>
 
@@ -149,7 +149,7 @@ FETCH [ <replaceable class="PARAMETER">direction</replaceable> [ FROM | IN ] ] <
           Fetch the prior row.
          </para>
          <para>
-          <literal>PRIOR</literal> is not supported by the current
+          <literal>PRIOR</literal> is supported by the current
           release of <productname>Postgres-XL</>.
          </para>
         </listitem>
@@ -162,7 +162,7 @@ FETCH [ <replaceable class="PARAMETER">direction</replaceable> [ FROM | IN ] ] <
           Fetch the first row of the query (same as <literal>ABSOLUTE 1</literal>).
          </para>
          <para>
-          <literal>FIRST</literal> is not supported by the current
+          <literal>FIRST</literal> is supported by the current
           release of <productname>Postgres-XL</>.
          </para>
         </listitem>
@@ -206,7 +206,7 @@ FETCH [ <replaceable class="PARAMETER">direction</replaceable> [ FROM | IN ] ] <
           the first row.
          </para>
          <para>
-          <literal>ABSOLUTE</literal> is not supported by the current
+          <literal>ABSOLUTE</literal> is supported by the current
           release of <productname>Postgres-XL</>.
          </para>
         </listitem>
diff --git a/doc/src/sgml/ref/set_transaction.sgml b/doc/src/sgml/ref/set_transaction.sgml
index ca55a5b196..11c3bfefcc 100644..100755
--- a/doc/src/sgml/ref/set_transaction.sgml
+++ b/doc/src/sgml/ref/set_transaction.sgml
@@ -177,6 +177,10 @@ SET SESSION CHARACTERISTICS AS TRANSACTION <replaceable class="parameter">transa
    read-only transaction.
   </para>
 
+  <para>
+   In <productname>Postgres-XL</> isolation level SERIALIZABLE is converted to 
+   REPEATABLE READ internally silently.
+  </para>
  </refsect1>
 
  <refsect1>
diff --git a/doc/src/sgml/ref/start_transaction.sgml b/doc/src/sgml/ref/start_transaction.sgml
index 60926f5dfe..7a3aaefb1c 100644..100755
--- a/doc/src/sgml/ref/start_transaction.sgml
+++ b/doc/src/sgml/ref/start_transaction.sgml
@@ -40,6 +40,11 @@ START TRANSACTION [ <replaceable class="parameter">transaction_mode</replaceable
    characteristics, as if <xref linkend="sql-set-transaction"> was executed. This is the same
    as the <xref linkend="sql-begin"> command.
   </para>
+
+  <para>
+   In <productname>Postgres-XL</> isolation level SERIALIZABLE is converted to 
+   REPEATABLE READ internally silently.
+  </para>
  </refsect1>
 
  <refsect1>