class org.h2.command.dml.Optimizer
minor version: 0
major version: 59
flags: flags: (0x0020) ACC_SUPER
this_class: org.h2.command.dml.Optimizer
super_class: java.lang.Object
{
private static final int MAX_BRUTE_FORCE_FILTERS;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 7
private static final int MAX_BRUTE_FORCE;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 2000
private static final int MAX_GENETIC;
descriptor: I
flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
ConstantValue: 500
private long startNs;
descriptor: J
flags: (0x0002) ACC_PRIVATE
private java.util.BitSet switched;
descriptor: Ljava/util/BitSet;
flags: (0x0002) ACC_PRIVATE
private final org.h2.table.TableFilter[] filters;
descriptor: [Lorg/h2/table/TableFilter;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final org.h2.expression.Expression condition;
descriptor: Lorg/h2/expression/Expression;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private final org.h2.engine.Session session;
descriptor: Lorg/h2/engine/Session;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
private org.h2.table.Plan bestPlan;
descriptor: Lorg/h2/table/Plan;
flags: (0x0002) ACC_PRIVATE
private org.h2.table.TableFilter topFilter;
descriptor: Lorg/h2/table/TableFilter;
flags: (0x0002) ACC_PRIVATE
private double cost;
descriptor: D
flags: (0x0002) ACC_PRIVATE
private java.util.Random random;
descriptor: Ljava/util/Random;
flags: (0x0002) ACC_PRIVATE
private final org.h2.command.dml.AllColumnsForPlan allColumnsSet;
descriptor: Lorg/h2/command/dml/AllColumnsForPlan;
flags: (0x0012) ACC_PRIVATE, ACC_FINAL
void <init>(org.h2.table.TableFilter[], org.h2.expression.Expression, org.h2.engine.Session);
descriptor: ([Lorg/h2/table/TableFilter;Lorg/h2/expression/Expression;Lorg/h2/engine/Session;)V
flags: (0x0000)
Code:
stack=4, locals=4, args_size=4
start local 0 start local 1 start local 2 start local 3 0: aload 0
invokespecial java.lang.Object.<init>:()V
1: aload 0
aload 1
putfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
2: aload 0
aload 2
putfield org.h2.command.dml.Optimizer.condition:Lorg/h2/expression/Expression;
3: aload 0
aload 3
putfield org.h2.command.dml.Optimizer.session:Lorg/h2/engine/Session;
4: aload 0
new org.h2.command.dml.AllColumnsForPlan
dup
aload 1
invokespecial org.h2.command.dml.AllColumnsForPlan.<init>:([Lorg/h2/table/TableFilter;)V
putfield org.h2.command.dml.Optimizer.allColumnsSet:Lorg/h2/command/dml/AllColumnsForPlan;
5: return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 6 0 this Lorg/h2/command/dml/Optimizer;
0 6 1 filters [Lorg/h2/table/TableFilter;
0 6 2 condition Lorg/h2/expression/Expression;
0 6 3 session Lorg/h2/engine/Session;
MethodParameters:
Name Flags
filters
condition
session
private static int getMaxBruteForceFilters(int);
descriptor: (I)I
flags: (0x000a) ACC_PRIVATE, ACC_STATIC
Code:
stack=4, locals=4, args_size=1
start local 0 0: iconst_0
istore 1
start local 1 1: iload 0
istore 2
start local 2 2: iload 0
istore 3
start local 3 3: goto 7
4: StackMap locals: int int int
StackMap stack:
iinc 2 -1
5: iload 3
iload 2
imul
istore 3
6: iinc 1 1
7: StackMap locals:
StackMap stack:
iload 2
ifle 8
iload 3
iload 2
iload 2
iconst_1
isub
imul
iconst_2
idiv
imul
sipush 2000
if_icmplt 4
8: StackMap locals:
StackMap stack:
iload 1
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 9 0 filterCount I
1 9 1 i I
2 9 2 j I
3 9 3 total I
MethodParameters:
Name Flags
filterCount
private void calculateBestPlan();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=1, args_size=1
start local 0 0: aload 0
ldc -1.0
putfield org.h2.command.dml.Optimizer.cost:D
1: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
iconst_1
if_icmpeq 2
aload 0
getfield org.h2.command.dml.Optimizer.session:Lorg/h2/engine/Session;
invokevirtual org.h2.engine.Session.isForceJoinOrder:()Z
ifeq 4
2: StackMap locals:
StackMap stack:
aload 0
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
invokevirtual org.h2.command.dml.Optimizer.testPlan:([Lorg/h2/table/TableFilter;)Z
pop
3: goto 11
4: StackMap locals:
StackMap stack:
aload 0
invokestatic java.lang.System.nanoTime:()J
putfield org.h2.command.dml.Optimizer.startNs:J
5: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
bipush 7
if_icmpgt 8
6: aload 0
invokevirtual org.h2.command.dml.Optimizer.calculateBruteForceAll:()V
7: goto 11
8: StackMap locals:
StackMap stack:
aload 0
invokevirtual org.h2.command.dml.Optimizer.calculateBruteForceSome:()V
9: aload 0
new java.util.Random
dup
lconst_0
invokespecial java.util.Random.<init>:(J)V
putfield org.h2.command.dml.Optimizer.random:Ljava/util/Random;
10: aload 0
invokevirtual org.h2.command.dml.Optimizer.calculateGenetic:()V
11: StackMap locals:
StackMap stack:
return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 12 0 this Lorg/h2/command/dml/Optimizer;
private void calculateFakePlan();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=6, locals=1, args_size=1
start local 0 0: aload 0
ldc -1.0
putfield org.h2.command.dml.Optimizer.cost:D
1: aload 0
new org.h2.table.Plan
dup
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
aload 0
getfield org.h2.command.dml.Optimizer.condition:Lorg/h2/expression/Expression;
invokespecial org.h2.table.Plan.<init>:([Lorg/h2/table/TableFilter;ILorg/h2/expression/Expression;)V
putfield org.h2.command.dml.Optimizer.bestPlan:Lorg/h2/table/Plan;
2: return
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 3 0 this Lorg/h2/command/dml/Optimizer;
private boolean canStop(int);
descriptor: (I)Z
flags: (0x0002) ACC_PRIVATE
Code:
stack=7, locals=2, args_size=2
start local 0 start local 1 0: iload 1
bipush 127
iand
ifne 4
1: aload 0
getfield org.h2.command.dml.Optimizer.cost:D
dconst_0
dcmpl
iflt 4
2: ldc 10
invokestatic java.lang.System.nanoTime:()J
aload 0
getfield org.h2.command.dml.Optimizer.startNs:J
lsub
lmul
l2d
aload 0
getfield org.h2.command.dml.Optimizer.cost:D
getstatic java.util.concurrent.TimeUnit.MILLISECONDS:Ljava/util/concurrent/TimeUnit;
lconst_1
invokevirtual java.util.concurrent.TimeUnit.toNanos:(J)J
l2d
dmul
3: dcmpl
ifle 4
iconst_1
ireturn
StackMap locals:
StackMap stack:
4: iconst_0
ireturn
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 5 0 this Lorg/h2/command/dml/Optimizer;
0 5 1 x I
MethodParameters:
Name Flags
x
private void calculateBruteForceAll();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=2, locals=4, args_size=1
start local 0 0: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
anewarray org.h2.table.TableFilter
astore 1
start local 1 1: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
aload 1
invokestatic org.h2.util.Permutations.create:([Ljava/lang/Object;[Ljava/lang/Object;)Lorg/h2/util/Permutations;
astore 2
start local 2 2: iconst_0
istore 3
start local 3 3: goto 6
4: StackMap locals: org.h2.table.TableFilter[] org.h2.util.Permutations int
StackMap stack:
aload 0
aload 1
invokevirtual org.h2.command.dml.Optimizer.testPlan:([Lorg/h2/table/TableFilter;)Z
pop
5: iinc 3 1
StackMap locals:
StackMap stack:
6: aload 0
iload 3
invokevirtual org.h2.command.dml.Optimizer.canStop:(I)Z
ifne 7
aload 2
invokevirtual org.h2.util.Permutations.next:()Z
ifne 4
end local 3 7: StackMap locals:
StackMap stack:
return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 8 0 this Lorg/h2/command/dml/Optimizer;
1 8 1 list [Lorg/h2/table/TableFilter;
2 8 2 p Lorg/h2/util/Permutations<Lorg/h2/table/TableFilter;>;
3 7 3 x I
private void calculateBruteForceSome();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=13, args_size=1
start local 0 0: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
invokestatic org.h2.command.dml.Optimizer.getMaxBruteForceFilters:(I)I
istore 1
start local 1 1: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
anewarray org.h2.table.TableFilter
astore 2
start local 2 2: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
aload 2
iload 1
invokestatic org.h2.util.Permutations.create:([Ljava/lang/Object;[Ljava/lang/Object;I)Lorg/h2/util/Permutations;
astore 3
start local 3 3: iconst_0
istore 4
start local 4 4: goto 39
5: StackMap locals: org.h2.command.dml.Optimizer int org.h2.table.TableFilter[] org.h2.util.Permutations int
StackMap stack:
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
dup
astore 8
arraylength
istore 7
iconst_0
istore 6
goto 9
StackMap locals: org.h2.command.dml.Optimizer int org.h2.table.TableFilter[] org.h2.util.Permutations int top int int org.h2.table.TableFilter[]
StackMap stack:
6: aload 8
iload 6
aaload
astore 5
start local 5 7: aload 5
iconst_0
invokevirtual org.h2.table.TableFilter.setUsed:(Z)V
end local 5 8: iinc 6 1
StackMap locals:
StackMap stack:
9: iload 6
iload 7
if_icmplt 6
10: iconst_0
istore 5
start local 5 11: goto 14
12: StackMap locals: org.h2.command.dml.Optimizer int org.h2.table.TableFilter[] org.h2.util.Permutations int int
StackMap stack:
aload 2
iload 5
aaload
iconst_1
invokevirtual org.h2.table.TableFilter.setUsed:(Z)V
13: iinc 5 1
StackMap locals:
StackMap stack:
14: iload 5
iload 1
if_icmplt 12
end local 5 15: iload 1
istore 5
start local 5 16: goto 36
17: StackMap locals:
StackMap stack:
ldc -1.0
dstore 6
start local 6 18: iconst_m1
istore 8
start local 8 19: iconst_0
istore 9
start local 9 20: goto 32
21: StackMap locals: double int int
StackMap stack:
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
iload 9
aaload
invokevirtual org.h2.table.TableFilter.isUsed:()Z
ifne 31
22: iload 5
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
iconst_1
isub
if_icmpne 25
23: iload 9
istore 8
24: goto 33
25: StackMap locals:
StackMap stack:
aload 2
iload 5
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
iload 9
aaload
aastore
26: new org.h2.table.Plan
dup
aload 2
iload 5
iconst_1
iadd
aload 0
getfield org.h2.command.dml.Optimizer.condition:Lorg/h2/expression/Expression;
invokespecial org.h2.table.Plan.<init>:([Lorg/h2/table/TableFilter;ILorg/h2/expression/Expression;)V
astore 10
start local 10 27: aload 10
aload 0
getfield org.h2.command.dml.Optimizer.session:Lorg/h2/engine/Session;
aload 0
getfield org.h2.command.dml.Optimizer.allColumnsSet:Lorg/h2/command/dml/AllColumnsForPlan;
invokevirtual org.h2.table.Plan.calculateCost:(Lorg/h2/engine/Session;Lorg/h2/command/dml/AllColumnsForPlan;)D
dstore 11
start local 11 28: dload 6
dconst_0
dcmpg
iflt 29
dload 11
dload 6
dcmpg
ifge 31
29: StackMap locals: org.h2.table.Plan double
StackMap stack:
dload 11
dstore 6
30: iload 9
istore 8
end local 11 end local 10 31: StackMap locals:
StackMap stack:
iinc 9 1
StackMap locals:
StackMap stack:
32: iload 9
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
if_icmplt 21
end local 9 33: StackMap locals:
StackMap stack:
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
iload 8
aaload
iconst_1
invokevirtual org.h2.table.TableFilter.setUsed:(Z)V
34: aload 2
iload 5
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
iload 8
aaload
aastore
end local 8 end local 6 35: iinc 5 1
StackMap locals:
StackMap stack:
36: iload 5
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
if_icmplt 17
end local 5 37: aload 0
aload 2
invokevirtual org.h2.command.dml.Optimizer.testPlan:([Lorg/h2/table/TableFilter;)Z
pop
38: iinc 4 1
StackMap locals:
StackMap stack:
39: aload 0
iload 4
invokevirtual org.h2.command.dml.Optimizer.canStop:(I)Z
ifne 40
aload 3
invokevirtual org.h2.util.Permutations.next:()Z
ifne 5
end local 4 40: StackMap locals:
StackMap stack:
return
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 41 0 this Lorg/h2/command/dml/Optimizer;
1 41 1 bruteForce I
2 41 2 list [Lorg/h2/table/TableFilter;
3 41 3 p Lorg/h2/util/Permutations<Lorg/h2/table/TableFilter;>;
4 40 4 x I
7 8 5 f Lorg/h2/table/TableFilter;
11 15 5 i I
16 37 5 i I
18 35 6 costPart D
19 35 8 bestPart I
20 33 9 j I
27 31 10 part Lorg/h2/table/Plan;
28 31 11 costNow D
private void calculateGenetic();
descriptor: ()V
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=5, args_size=1
start local 0 0: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
anewarray org.h2.table.TableFilter
astore 1
start local 1 1: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
anewarray org.h2.table.TableFilter
astore 2
start local 2 2: iconst_0
istore 3
start local 3 3: goto 22
4: StackMap locals: org.h2.table.TableFilter[] org.h2.table.TableFilter[] int
StackMap stack:
aload 0
iload 3
invokevirtual org.h2.command.dml.Optimizer.canStop:(I)Z
ifeq 6
5: goto 23
6: StackMap locals:
StackMap stack:
iload 3
bipush 127
iand
ifne 7
iconst_1
goto 8
StackMap locals:
StackMap stack:
7: iconst_0
StackMap locals:
StackMap stack: int
8: istore 4
start local 4 9: iload 4
ifne 13
10: aload 1
iconst_0
aload 2
iconst_0
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
11: aload 0
aload 2
invokevirtual org.h2.command.dml.Optimizer.shuffleTwo:([Lorg/h2/table/TableFilter;)Z
ifne 13
12: iconst_1
istore 4
13: StackMap locals: int
StackMap stack:
iload 4
ifeq 18
14: aload 0
new java.util.BitSet
dup
invokespecial java.util.BitSet.<init>:()V
putfield org.h2.command.dml.Optimizer.switched:Ljava/util/BitSet;
15: aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
iconst_0
aload 1
iconst_0
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
16: aload 0
aload 1
invokevirtual org.h2.command.dml.Optimizer.shuffleAll:([Lorg/h2/table/TableFilter;)V
17: aload 1
iconst_0
aload 2
iconst_0
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
18: StackMap locals:
StackMap stack:
aload 0
aload 2
invokevirtual org.h2.command.dml.Optimizer.testPlan:([Lorg/h2/table/TableFilter;)Z
ifeq 21
19: aload 0
new java.util.BitSet
dup
invokespecial java.util.BitSet.<init>:()V
putfield org.h2.command.dml.Optimizer.switched:Ljava/util/BitSet;
20: aload 2
iconst_0
aload 1
iconst_0
aload 0
getfield org.h2.command.dml.Optimizer.filters:[Lorg/h2/table/TableFilter;
arraylength
invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
end local 4 21: StackMap locals:
StackMap stack:
iinc 3 1
StackMap locals:
StackMap stack:
22: iload 3
sipush 500
if_icmplt 4
end local 3 23: StackMap locals:
StackMap stack:
return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 24 0 this Lorg/h2/command/dml/Optimizer;
1 24 1 best [Lorg/h2/table/TableFilter;
2 24 2 list [Lorg/h2/table/TableFilter;
3 23 3 x I
9 21 4 generateRandom Z
private boolean testPlan(org.h2.table.TableFilter[]);
descriptor: ([Lorg/h2/table/TableFilter;)Z
flags: (0x0002) ACC_PRIVATE
Code:
stack=5, locals=5, args_size=2
start local 0 start local 1 0: new org.h2.table.Plan
dup
aload 1
aload 1
arraylength
aload 0
getfield org.h2.command.dml.Optimizer.condition:Lorg/h2/expression/Expression;
invokespecial org.h2.table.Plan.<init>:([Lorg/h2/table/TableFilter;ILorg/h2/expression/Expression;)V
astore 2
start local 2 1: aload 2
aload 0
getfield org.h2.command.dml.Optimizer.session:Lorg/h2/engine/Session;
aload 0
getfield org.h2.command.dml.Optimizer.allColumnsSet:Lorg/h2/command/dml/AllColumnsForPlan;
invokevirtual org.h2.table.Plan.calculateCost:(Lorg/h2/engine/Session;Lorg/h2/command/dml/AllColumnsForPlan;)D
dstore 3
start local 3 2: aload 0
getfield org.h2.command.dml.Optimizer.cost:D
dconst_0
dcmpg
iflt 3
dload 3
aload 0
getfield org.h2.command.dml.Optimizer.cost:D
dcmpg
ifge 6
3: StackMap locals: org.h2.table.Plan double
StackMap stack:
aload 0
dload 3
putfield org.h2.command.dml.Optimizer.cost:D
4: aload 0
aload 2
putfield org.h2.command.dml.Optimizer.bestPlan:Lorg/h2/table/Plan;
5: iconst_1
ireturn
6: StackMap locals:
StackMap stack:
iconst_0
ireturn
end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 7 0 this Lorg/h2/command/dml/Optimizer;
0 7 1 list [Lorg/h2/table/TableFilter;
1 7 2 p Lorg/h2/table/Plan;
2 7 3 costNow D
MethodParameters:
Name Flags
list
private void shuffleAll(org.h2.table.TableFilter[]);
descriptor: ([Lorg/h2/table/TableFilter;)V
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=5, args_size=2
start local 0 start local 1 0: iconst_0
istore 2
start local 2 1: goto 8
2: StackMap locals: int
StackMap stack:
iload 2
aload 0
getfield org.h2.command.dml.Optimizer.random:Ljava/util/Random;
aload 1
arraylength
iload 2
isub
invokevirtual java.util.Random.nextInt:(I)I
iadd
istore 3
start local 3 3: iload 3
iload 2
if_icmpeq 7
4: aload 1
iload 2
aaload
astore 4
start local 4 5: aload 1
iload 2
aload 1
iload 3
aaload
aastore
6: aload 1
iload 3
aload 4
aastore
end local 4 end local 3 7: StackMap locals:
StackMap stack:
iinc 2 1
StackMap locals:
StackMap stack:
8: iload 2
aload 1
arraylength
iconst_1
isub
if_icmplt 2
end local 2 9: return
end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 10 0 this Lorg/h2/command/dml/Optimizer;
0 10 1 f [Lorg/h2/table/TableFilter;
1 9 2 i I
3 7 3 j I
5 7 4 temp Lorg/h2/table/TableFilter;
MethodParameters:
Name Flags
f
private boolean shuffleTwo(org.h2.table.TableFilter[]);
descriptor: ([Lorg/h2/table/TableFilter;)Z
flags: (0x0002) ACC_PRIVATE
Code:
stack=4, locals=6, args_size=2
start local 0 start local 1 0: iconst_0
istore 2
start local 2 1: iconst_0
istore 3
start local 3 2: iconst_0
istore 4
start local 4 3: goto 18
4: StackMap locals: int int int
StackMap stack:
aload 0
getfield org.h2.command.dml.Optimizer.random:Ljava/util/Random;
aload 1
arraylength
invokevirtual java.util.Random.nextInt:(I)I
istore 2
5: aload 0
getfield org.h2.command.dml.Optimizer.random:Ljava/util/Random;
aload 1
arraylength
invokevirtual java.util.Random.nextInt:(I)I
istore 3
6: iload 2
iload 3
if_icmpne 8
7: goto 17
8: StackMap locals:
StackMap stack:
iload 2
iload 3
if_icmpge 12
9: iload 2
istore 5
start local 5 10: iload 3
istore 2
11: iload 5
istore 3
end local 5 12: StackMap locals:
StackMap stack:
iload 2
aload 1
arraylength
imul
iload 3
iadd
istore 5
start local 5 13: aload 0
getfield org.h2.command.dml.Optimizer.switched:Ljava/util/BitSet;
iload 5
invokevirtual java.util.BitSet.get:(I)Z
ifeq 15
14: goto 17
15: StackMap locals: int
StackMap stack:
aload 0
getfield org.h2.command.dml.Optimizer.switched:Ljava/util/BitSet;
iload 5
invokevirtual java.util.BitSet.set:(I)V
16: goto 19
end local 5 17: StackMap locals:
StackMap stack:
iinc 4 1
StackMap locals:
StackMap stack:
18: iload 4
bipush 20
if_icmplt 4
19: StackMap locals:
StackMap stack:
iload 4
bipush 20
if_icmpne 21
20: iconst_0
ireturn
21: StackMap locals:
StackMap stack:
aload 1
iload 2
aaload
astore 5
start local 5 22: aload 1
iload 2
aload 1
iload 3
aaload
aastore
23: aload 1
iload 3
aload 5
aastore
24: iconst_1
ireturn
end local 5 end local 4 end local 3 end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 25 0 this Lorg/h2/command/dml/Optimizer;
0 25 1 f [Lorg/h2/table/TableFilter;
1 25 2 a I
2 25 3 b I
3 25 4 i I
10 12 5 temp I
13 17 5 s I
22 25 5 temp Lorg/h2/table/TableFilter;
MethodParameters:
Name Flags
f
void optimize(boolean);
descriptor: (Z)V
flags: (0x0000)
Code:
stack=4, locals=8, args_size=2
start local 0 start local 1 0: iload 1
ifeq 3
1: aload 0
invokevirtual org.h2.command.dml.Optimizer.calculateFakePlan:()V
2: goto 5
3: StackMap locals:
StackMap stack:
aload 0
invokevirtual org.h2.command.dml.Optimizer.calculateBestPlan:()V
4: aload 0
getfield org.h2.command.dml.Optimizer.bestPlan:Lorg/h2/table/Plan;
invokevirtual org.h2.table.Plan.removeUnusableIndexConditions:()V
5: StackMap locals:
StackMap stack:
aload 0
getfield org.h2.command.dml.Optimizer.bestPlan:Lorg/h2/table/Plan;
invokevirtual org.h2.table.Plan.getFilters:()[Lorg/h2/table/TableFilter;
astore 2
start local 2 6: aload 0
aload 2
iconst_0
aaload
putfield org.h2.command.dml.Optimizer.topFilter:Lorg/h2/table/TableFilter;
7: iconst_0
istore 3
start local 3 8: goto 11
9: StackMap locals: org.h2.table.TableFilter[] int
StackMap stack:
aload 2
iload 3
aaload
aload 2
iload 3
iconst_1
iadd
aaload
iconst_0
aconst_null
invokevirtual org.h2.table.TableFilter.addJoin:(Lorg/h2/table/TableFilter;ZLorg/h2/expression/Expression;)V
10: iinc 3 1
StackMap locals:
StackMap stack:
11: iload 3
aload 2
arraylength
iconst_1
isub
if_icmplt 9
end local 3 12: iload 1
ifeq 14
13: return
14: StackMap locals:
StackMap stack:
aload 2
dup
astore 6
arraylength
istore 5
iconst_0
istore 4
goto 19
StackMap locals: org.h2.command.dml.Optimizer int org.h2.table.TableFilter[] top int int org.h2.table.TableFilter[]
StackMap stack:
15: aload 6
iload 4
aaload
astore 3
start local 3 16: aload 0
getfield org.h2.command.dml.Optimizer.bestPlan:Lorg/h2/table/Plan;
aload 3
invokevirtual org.h2.table.Plan.getItem:(Lorg/h2/table/TableFilter;)Lorg/h2/table/PlanItem;
astore 7
start local 7 17: aload 3
aload 7
invokevirtual org.h2.table.TableFilter.setPlanItem:(Lorg/h2/table/PlanItem;)V
end local 7 end local 3 18: iinc 4 1
StackMap locals:
StackMap stack:
19: iload 4
iload 5
if_icmplt 15
20: return
end local 2 end local 1 end local 0 LocalVariableTable:
Start End Slot Name Signature
0 21 0 this Lorg/h2/command/dml/Optimizer;
0 21 1 parse Z
6 21 2 f2 [Lorg/h2/table/TableFilter;
8 12 3 i I
16 18 3 f Lorg/h2/table/TableFilter;
17 18 7 item Lorg/h2/table/PlanItem;
MethodParameters:
Name Flags
parse
public org.h2.table.TableFilter getTopFilter();
descriptor: ()Lorg/h2/table/TableFilter;
flags: (0x0001) ACC_PUBLIC
Code:
stack=1, locals=1, args_size=1
start local 0 0: aload 0
getfield org.h2.command.dml.Optimizer.topFilter:Lorg/h2/table/TableFilter;
areturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/h2/command/dml/Optimizer;
double getCost();
descriptor: ()D
flags: (0x0000)
Code:
stack=2, locals=1, args_size=1
start local 0 0: aload 0
getfield org.h2.command.dml.Optimizer.cost:D
dreturn
end local 0 LocalVariableTable:
Start End Slot Name Signature
0 1 0 this Lorg/h2/command/dml/Optimizer;
}
SourceFile: "Optimizer.java"