sql-scripts/OCTPDBA-414 - proc to align indexes/generate inserts.sql

USE Arizona;
GO

DELETE FROM upd.IA_IndexesAlignementActions
WHERE IA_schema_name = 'dbo.Criteria';

BEGIN TRANSACTION;
WITH ColInfo
AS (SELECT TblName = o.name,
           SchemaTbl = s.name + '.' + o.name,
           IndexName = i.name,
           s.name AS schemaName,
           IsPrimaryKey = i.is_primary_key,
           IsUniqueConstraint = i.is_unique_constraint,
           IsUnique = i.is_unique,
           CASE
               WHEN i.type = 1 THEN
                   1
               ELSE
                   0
           END AS is_clustered,
           ColName = c.name,
           IsComputedCol = c.is_computed,
           IsIncludedCol = ic.is_included_column,
           ic.key_ordinal,
           FilterDefinition = i.filter_definition,
           i.object_id,
           i.ignore_dup_key,
           i.fill_factor,
           i.is_padded
    FROM sys.objects o
        JOIN sys.schemas s
            ON o.schema_id = s.schema_id
        JOIN sys.columns c
            ON o.object_id = c.object_id
        JOIN sys.indexes i
            ON c.object_id = i.object_id
        JOIN sys.index_columns ic
            ON i.index_id = ic.index_id
               AND o.object_id = ic.object_id
               AND c.column_id = ic.column_id
    WHERE o.name = 'criteria'
          AND s.name = 'dbo')
SELECT DISTINCT
       '
INSERT INTO arizona.upd.IA_IndexesAlignementActions
(
    IA_executionDate,
    IA_schema_name,
    IA_table_name,
    IA_columns_name,
    IA_is_clustered,
    IA_is_unique,
    IA_included_columns,
    IA_is_to_be_deleted,
    IA_is_to_be_recreated,
    IA_expected_index_name,
    IA_foundIndexName,
    IA_wasIndexFound,
    IA_wasCreated,
    IA_wasRenamed,
    IA_wasDeleted,
    IA_wasRecreated,
    IA_includedColumnsMatch,
    IA_actualColumns,
    IA_actualIncludedColumns,
    IA_statusMsg,
    IA_index_options
)
SELECT
    NULL as IA_executionDate,
    ''' + x.schemaName + ''' as IA_schema_name,
    ''' + x.TblName + ''' as IA_table_name,
    ''' + c.IndexColumns + ''' as IA_columns_name,
    0 as IA_is_clustered,
    ' + CASE
            WHEN x.IsUnique = 0 THEN
                '0'
            ELSE
                '1'
        END + ' as IA_is_unique,
    '  + CASE
             WHEN ci.IncludedColumns IS NOT NULL THEN
                 '''' + ci.IncludedColumns + ''''
             ELSE
                 'NULL'
         END + ' as IA_included_columns,
    0 as  IA_is_to_be_deleted,
    0 as IA_is_to_be_recreated,
    ''' + x.IndexName
       + ''' as IA_expected_index_name,
    NULL as IA_foundIndexName,
    0 as IA_wasIndexFound,
    0 as IA_wasCreated,
    0 as IA_wasRenamed,
    0 as IA_wasDeleted,
    0 as IA_wasRecreated,
    NULL as IA_includedColumnsMatch,
    NULL as IA_actualColumns,
    NULL as IA_actualIncludedColumns,
    NULL as IA_statusMsg,
    ''' + CASE
              WHEN INDEXPROPERTY(x.object_id, x.IndexName, 'IsStatistics') = 1 THEN
                  'STATISTICS_NORECOMPUTE = ON, '
              ELSE
                  'STATISTICS_NORECOMPUTE = OFF, '
          END + CASE
                    WHEN x.ignore_dup_key = 1 THEN
                        'IGNORE_DUP_KEY = ON, '
                    ELSE
                        'IGNORE_DUP_KEY = OFF, '
                END + CASE
                          WHEN x.is_padded = 1 THEN
                              'PAD_INDEX = ON,'
                          ELSE
                              ''
                      END + 'SORT_IN_TEMPDB = OFF, FILLFACTOR =' + CAST(x.fill_factor AS VARCHAR(3))
       + ''' as IA_index_options
WHERE NOT EXISTS(
    SELECT 1
    FROM arizona.upd.IA_IndexesAlignementActions s
    WHERE s.IA_executionDate IS NULL
    AND s.IA_schema_name = ''' + x.schemaName + '''
    AND s.IA_table_name = ''' + x.TblName + '''
    AND s.IA_columns_name = ''' + c.IndexColumns + '''
    '  + CASE
             WHEN ci.IncludedColumns IS NOT NULL THEN
                 'AND s.IA_included_columns = ''' + ci.IncludedColumns + '''   '
             ELSE
                 ''
         END + '
)
'   AS cmd,
       x.IndexName,
       c.IndexColumns,
       ci.IncludedColumns
FROM ColInfo x
    CROSS APPLY
(
    SELECT IndexColumns = STUFF(sq.strXML, 1, 2, '')
    FROM
    (
        SELECT ', ' + ISNULL(x2.ColName, '')
        FROM ColInfo x2
        WHERE x.TblName = x2.TblName
              AND x.schemaName = x2.schemaName
              AND x.IndexName = x2.IndexName
              AND x2.IsIncludedCol = 0
        ORDER BY x2.key_ordinal
        FOR XML PATH('')
    ) sq(strXML)
) c
    OUTER APPLY
(
    SELECT IncludedColumns = STUFF(sq.strXML, 1, 2, '')
    FROM
    (
        SELECT ', ' + ISNULL(x2.ColName, '')
        FROM ColInfo x2
        WHERE x.TblName = x2.TblName
              AND x.schemaName = x2.schemaName
              AND x.IndexName = x2.IndexName
              AND x2.IsIncludedCol = 1
        ORDER BY x2.key_ordinal
        FOR XML PATH('')
    ) sq(strXML)
) ci;


ROLLBACK TRANSACTION;