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fix: MySQL variables can't be used inside IN statements as such

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So, if we want to do something like "WHERE abc IN ( @ids )", where @ids
would contain a string of "1,2,3", we can't and would need to use
FIND_IN_SET() function instead.
This commit is contained in:
Martin Ambrus
2017-10-27 19:36:27 +02:00
parent 576dfdf950
commit 0d84b5f3b4
1 changed files with 143 additions and 11 deletions
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var/db/datagen-oasis-troops-regen.sql
+143 -11
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@@ -59,7 +59,19 @@ UPDATE %PREFIX%odata
WHERE
@natureRegTime = -1
AND
conqured IN ( @village );
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(conqured, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
conqured = @village
)
);
-- ---------------------------------------------
-- remove past reports (conquered > unoccupied)
@@ -68,7 +80,19 @@ DELETE FROM %PREFIX%ndata
WHERE
@natureRegTime = -1
AND
toWref IN ( @village );
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(toWref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
toWref = @village
)
);
-- ----------------------------------------------------------------
@@ -81,7 +105,19 @@ SET
WHERE
@natureRegTime > -1
AND
wref IN ( @village );
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(wref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
wref = @village
)
);
-- -----------------------------------------------------------------------
@@ -116,7 +152,19 @@ UPDATE %PREFIX%units u
(
@village > -1
AND
vref = @village
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(vref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
vref = @village
)
)
)
)
AND
@@ -172,7 +220,19 @@ UPDATE %PREFIX%units u
(
@village > -1
AND
vref = @village
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(vref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
vref = @village
)
)
)
)
AND
@@ -226,7 +286,19 @@ UPDATE %PREFIX%units u
(
@village > -1
AND
vref = @village
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(vref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
vref = @village
)
)
)
)
AND u31 <= (
@@ -278,7 +350,19 @@ UPDATE %PREFIX%units u
(
@village > -1
AND
vref = @village
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(vref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
vref = @village
)
)
)
)
AND u31 <= (
@@ -329,7 +413,19 @@ UPDATE %PREFIX%units u
(
@village > -1
AND
vref = @village
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(vref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
vref = @village
)
)
)
)
AND u31 <= (
@@ -381,7 +477,19 @@ UPDATE %PREFIX%units u
(
@village > -1
AND
vref = @village
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(vref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
vref = @village
)
)
)
)
AND u31 <= (
@@ -434,7 +542,19 @@ UPDATE %PREFIX%units u
(
@village > -1
AND
vref = @village
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(vref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
vref = @village
)
)
)
)
AND u31 <= (
@@ -495,7 +615,19 @@ UPDATE %PREFIX%units u
(
@village > -1
AND
vref = @village
(
(
-- should we have a list of IDs, we need to use FIND_IN_SET
LOCATE(",", @village) > 0
AND
FIND_IN_SET(vref, @village)
)
OR
(
-- for a single ID, we use a simple condition which can definitely use an index as well
vref = @village
)
)
)
)
AND u31 <= (