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[2699] Added composite search indexes to lease4 and lease6 tables to boost performance.

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Note: This change fulfills both 2699 (lease4) and 2703 (lease6).
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Thomas Markwalder
2013-02-11 15:39:59 -05:00
parent 3f272be09a
commit 54bbed5fcb
1 changed files with 12 additions and 0 deletions
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12
src/lib/dhcpsrv/dhcpdb_create.mysql
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@@ -39,6 +39,14 @@ CREATE TABLE lease4 (
subnet_id INT UNSIGNED # Subnet identification subnet_id INT UNSIGNED # Subnet identification
) ENGINE = INNODB; ) ENGINE = INNODB;
# Create search indexes for lease4 table
# index by hwaddr and subnet_id
CREATE INDEX lease4_by_hwaddr_subnet_id ON lease4 (hwaddr, subnet_id);
# index by client_id and subnet_id
CREATE INDEX lease4_by_client_id_subnet_id ON lease4 (client_id, subnet_id);
# Holds the IPv6 leases. # Holds the IPv6 leases.
# N.B. The use of a VARCHAR for the address is temporary for development: # N.B. The use of a VARCHAR for the address is temporary for development:
# it will eventually be replaced by BINARY(16). # it will eventually be replaced by BINARY(16).
@@ -55,6 +63,10 @@ CREATE TABLE lease6 (
prefix_len TINYINT UNSIGNED # For IA_PD only prefix_len TINYINT UNSIGNED # For IA_PD only
) ENGINE = INNODB; ) ENGINE = INNODB;
# Create search indexes for lease4 table
# index by iaid, subnet_id, and duid
CREATE INDEX lease6_by_iaid_subnet_id_duid ON lease6 (iaid, subnet_id, duid);
# ... and a definition of lease6 types. This table is a convenience for # ... and a definition of lease6 types. This table is a convenience for
# users of the database - if they want to view the lease table and use the # users of the database - if they want to view the lease table and use the
# type names, they can join this table with the lease6 table # type names, they can join this table with the lease6 table