CREATE TABLE t1(a blob,b blob,c blob,d blob,e blob,f blob,g blob,
h blob,i blob,j blob,k blob,l blob,m blob,n blob,
o blob,p blob,q blob,r blob,s blob,t blob,u blob,
v blob, w blob, x blob, y blob, z blob,
aa blob,ba blob,ca blob,da blob,ea blob,fa blob,ga blob,
ha blob,ia blob,ja blob,ka blob,la blob,ma blob,na blob,
oa blob,pa blob,qa blob,ra blob,sa blob,ta blob,ua blob,
va blob, wa blob, xa blob, ya blob, za blob,
ab blob,bb blob,cb blob,db blob,eb blob,fb blob,gb blob,
hb blob,ib blob,jb blob,kb blob,lb blob,mb blob,nb blob,
ob blob,pb blob,qb blob,rb blob,sb blob,tb blob,ub blob,
vb blob, wb blob, xb blob, yb blob, zb blob,
ac blob, bc blob, cc blob, dc blob, ec blob,fc blob,gc blob,
hc blob, ic blob, jc blob, kc blob, lc blob,mc blob,nc blob,
oc blob, pc blob, qc blob, rc blob, sc blob,tc blob,uc blob,
vc blob, wc blob, xc blob, yc blob, zc blob
) ENGINE=InnoDB ROW_FORMAT=dynamic;
CREATE TABLE t2(a blob,b blob,c blob,d blob,e blob,f blob,g blob,
h blob,i blob,j blob,k blob,l blob,m blob,n blob,
o blob,p blob,q blob,r blob,s blob,t blob,u blob,
v blob, w blob, x blob, y blob, z blob,
aa blob,ba blob,ca blob,da blob,ea blob,fa blob,ga blob,
ha blob,ia blob,ja blob,ka blob,la blob,ma blob,na blob,
oa blob,pa blob,qa blob,ra blob,sa blob,ta blob,ua blob,
va blob, wa blob, xa blob, ya blob, za blob,
ab blob,bb blob,cb blob,db blob,eb blob,fb blob,gb blob,
hb blob,ib blob,jb blob,kb blob,lb blob,mb blob,nb blob,
ob blob,pb blob,qb blob,rb blob,sb blob,tb blob,ub blob,
vb blob, wb blob, xb blob, yb blob, zb blob,
ac blob, bc blob, cc blob, dc blob, ec blob,fc blob,gc blob,
hc blob, ic blob, jc blob, kc blob, lc blob,mc blob,nc blob,
oc blob, pc blob, qc blob, rc blob, sc blob,tc blob,uc blob,
vc blob, wc blob, xc blob, yc blob, zc blob
) ENGINE=InnoDB ROW_FORMAT=compact;
SET @a = repeat('a', 767);
SET @b = repeat('b', 767);
SET @c = repeat('c', 767);
SET @d = repeat('d', 767);
SET @e = repeat('e', 767);
SET @f = repeat('f', 767);
SET @f = repeat('g', 767);
INSERT INTO t1 VALUES (@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a
);
INSERT INTO t1 VALUES (@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a
);
INSERT INTO t1 VALUES (@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a
);
INSERT INTO t1 VALUES (@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a,@a,@a,
@a,@a,@a,@a,@a
);
SET @h = repeat('h', 100);
SET @i = repeat('i', 100);
SET @j = repeat('j', 100);
SET @k = repeat('k', 100);
SET @l = repeat('l', 100);
INSERT INTO t2 VALUES (@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h,@h,@h,
@h,@h,@h,@h,@h
);
UPDATE t1 SET a=@b,b=@b,c=@b,d=@b,e=@b,f=@b,g=@b,h=@b,i=@b,j=@b,
k=@b,l=@b,m=@b,n=@b,o=@b,p=@b,q=@b,r=@b,s=@b,t=@b,u=@b,
v=@b,w=@b,x=@b,y=@b,z=@b,
aa=@b,ba=@b,ca=@b,da=@b,ea=@b,fa=@b,ga=@b,ha=@b,ia=@b,ja=@b,
ka=@b,la=@b,ma=@b,na=@b,oa=@b,pa=@b,qa=@b,ra=@b,sa=@b,ta=@b,ua=@b,
va=@b,wa=@b,xa=@b,ya=@b,za=@b,
ab=@b,bb=@b,cb=@b,db=@b,eb=@b,fb=@b,gb=@b,hb=@b,ib=@b,jb=@b,
kb=@b,lb=@b,mb=@b,nb=@b,ob=@b,pb=@b,qb=@b,rb=@b,sb=@b,tb=@b,ub=@b,
vb=@b,wb=@b,xb=@b,yb=@b,zb=@b,
ab=@b,bb=@b,cb=@b,db=@b,eb=@b,fb=@b,gb=@b,hb=@b,ib=@b,jb=@b,
kb=@b,lb=@b,mb=@b,nb=@b,ob=@b,pb=@b,qb=@b,rb=@b,sb=@b,tb=@b,ub=@b,
vb=@b,wb=@b,xb=@b,yb=@b,zb=@b,
ac=@b,bc=@b,cc=@b,dc=@b,ec=@b,fc=@b,gc=@b,hc=@b,ic=@b,jc=@b,
kc=@b,lc=@b,mc=@b,nc=@b,oc=@b,pc=@b,qc=@b,rc=@b,sc=@b,tc=@b,uc=@b,
vc=@b,wc=@b,xc=@b,yc=@b,zc=@b;
UPDATE t2 SET a=@i,b=@i,c=@i,d=@i,e=@i,f=@i,g=@i,h=@i,i=@i,j=@i,
k=@i,l=@i,m=@i,n=@i,o=@i,p=@i,q=@i,r=@i,s=@i,t=@i,u=@i,
v=@i,w=@i,x=@i,y=@i,z=@i,
aa=@i,ba=@i,ca=@i,da=@i,ea=@i,fa=@i,ga=@i,ha=@i,ia=@i,ja=@i,
ka=@i,la=@i,ma=@i,na=@i,oa=@i,pa=@i,qa=@i,ra=@i,sa=@i,ta=@i,ua=@i,
va=@i,wa=@i,xa=@i,ya=@i,za=@i,
ab=@i,bb=@i,cb=@i,db=@i,eb=@i,fb=@i,gb=@i,hb=@i,ib=@i,jb=@i,
kb=@i,lb=@i,mb=@i,nb=@i,ob=@i,pb=@i,qb=@i,rb=@i,sb=@i,tb=@i,ub=@i,
vb=@i,wb=@i,xb=@i,yb=@i,zb=@i,
ab=@i,bb=@i,cb=@i,db=@i,eb=@i,fb=@i,gb=@i,hb=@i,ib=@i,jb=@i,
kb=@i,lb=@i,mb=@i,nb=@i,ob=@i,pb=@i,qb=@i,rb=@i,sb=@i,tb=@i,ub=@i,
vb=@i,wb=@i,xb=@i,yb=@i,zb=@i,
ac=@i,bc=@i,cc=@i,dc=@i,ec=@i,fc=@i,gc=@i,hc=@i,ic=@i,jc=@i,
kc=@i,lc=@i,mc=@i,nc=@i,oc=@i,pc=@i,qc=@i,rc=@i,sc=@i,tc=@i,uc=@i,
vc=@i,wc=@i,xc=@i,yc=@i,zc=@i;
CREATE INDEX t1a ON t1 (a(767),b(767));
CREATE INDEX t1c ON t1 (c(767),d(767));
CREATE INDEX t1e ON t1 (e(767),f(767));
CREATE INDEX t1f2 ON t1 (g(767),h(767));
CREATE INDEX t1f4 ON t1 (i(767),j(767));
CREATE INDEX t1k ON t1 (k(767),m(767));
CREATE INDEX t1f8 ON t1 (n(767),o(767));
CREATE INDEX t1f11 ON t1 (p(767),q(767));
CREATE INDEX t1f13 ON t1 (r(767),s(767));
CREATE INDEX t1f15 ON t1 (t(767),u(767));
CREATE INDEX t1f18 ON t1 (w(767),x(767));
CREATE INDEX t1f20 ON t1 (y(767),z(767));
CREATE INDEX ta1a6 ON t1 (aa(767),ba(767));
CREATE INDEX tc1c6 ON t1 (ca(767),da(767));
CREATE INDEX te1e6 ON t1 (ea(767),fa(767));
CREATE INDEX t2a ON t2 (a(767),b(767));
CREATE INDEX t2c ON t2 (c(767),d(767));
CREATE INDEX t2e ON t2 (e(767),f(767));
CREATE INDEX t2f2 ON t2 (g(767),h(767));
CREATE INDEX t2f4 ON t2 (i(767),j(767));
CREATE INDEX t2k ON t2 (k(767),m(767));
CREATE INDEX t2f8 ON t2 (n(767),o(767));
CREATE INDEX t2f11 ON t2 (p(767),q(767));
CREATE INDEX t2f13 ON t2 (r(767),s(767));
CREATE INDEX t2f15 ON t2 (t(767),u(767));
CREATE INDEX t2f18 ON t2 (w(767),x(767));
CREATE INDEX t2f20 ON t2 (y(767),z(767));
CREATE INDEX ta2a6 ON t2 (aa(767),ba(767));
CREATE INDEX tc2c6 ON t2 (ca(767),da(767));
CREATE INDEX te2e6 ON t2 (ea(767),fa(767));
UPDATE t1 SET a=@c,b=@c,c=@c,d=@c,e=@c,f=@c,g=@c,h=@c,i=@c,j=@c,
k=@c,l=@c,m=@c,n=@c,o=@c,p=@c,q=@c,r=@c,s=@c,t=@c,u=@c,
v=@c,w=@c,x=@c,y=@c,z=@c,
aa=@c,ba=@c,ca=@c,da=@c,ea=@c,fa=@c,ga=@c,ha=@c,ia=@c,ja=@c,
ka=@c,la=@c,ma=@c,na=@c,oa=@c,pa=@c,qa=@c,ra=@c,sa=@c,ta=@c,ua=@c,
va=@c,wa=@c,xa=@c,ya=@c,za=@c,
ab=@c,bb=@c,cb=@c,db=@c,eb=@c,fb=@c,gb=@c,hb=@c,ib=@c,jb=@c,
kb=@c,lb=@c,mb=@c,nb=@c,ob=@c,pb=@c,qb=@c,rb=@c,sb=@c,tb=@c,ub=@c,
vb=@c,wb=@c,xb=@c,yb=@c,zb=@c,
ac=@c,bc=@c,cc=@c,dc=@c,ec=@c,fc=@c,gc=@c,hc=@c,ic=@c,jc=@c,
kc=@c,lc=@c,mc=@c,nc=@c,oc=@c,pc=@c,qc=@c,rc=@c,sc=@c,tc=@c,uc=@c,
vc=@c,wc=@c,xc=@c,yc=@c,zc=@c;
UPDATE t2 SET a=@k,b=@k,c=@k,d=@k,e=@k,f=@k,g=@k,h=@k,i=@k,j=@k,
k=@k,l=@k,m=@k,n=@k,o=@k,p=@k,q=@k,r=@k,s=@k,t=@k,u=@k,
v=@k,w=@k,x=@k,y=@k,z=@k,
aa=@k,ba=@k,ca=@k,da=@k,ea=@k,fa=@k,ga=@k,ha=@k,ia=@k,ja=@k,
ka=@k,la=@k,ma=@k,na=@k,oa=@k,pa=@k,qa=@k,ra=@k,sa=@k,ta=@k,ua=@k,
va=@k,wa=@k,xa=@k,ya=@k,za=@k,
ab=@k,bb=@k,cb=@k,db=@k,eb=@k,fb=@k,gb=@k,hb=@k,ib=@k,jb=@k,
kb=@k,lb=@k,mb=@k,nb=@k,ob=@k,pb=@k,qb=@k,rb=@k,sb=@k,tb=@k,ub=@k,
vb=@k,wb=@k,xb=@k,yb=@k,zb=@k,
ac=@k,bc=@k,cc=@k,dc=@k,ec=@k,fc=@k,gc=@k,hc=@k,ic=@k,jc=@k,
kc=@k,lc=@k,mc=@k,nc=@k,oc=@k,pc=@k,qc=@k,rc=@k,sc=@k,tc=@k,uc=@k,
vc=@k,wc=@k,xc=@k,yc=@k,zc=@k;
COMMIT;
BEGIN;
UPDATE t1 SET a=@d,b=@d,c=@d,d=@d,e=@d;
UPDATE t1 SET f=@d,g=@d,h=@d,i=@d,j=@d;
UPDATE t1 SET k=@d,l=@d,m=@d,n=@d,o=@d;
UPDATE t1 SET p=@d,q=@d,r=@d,s=@d,t=@d,u=@d;
UPDATE t1 SET v=@d,w=@d,x=@d,y=@d,z=@d;
UPDATE t1 SET aa=@d,ba=@d,ca=@d,da=@d;
UPDATE t1 SET ea=@d,fa=@d,ga=@d,ha=@d,ia=@d,ja=@d;
UPDATE t1 SET ka=@d,la=@d,ma=@d,na=@d,oa=@d,pa=@d;
UPDATE t1 SET qa=@d,ra=@d,sa=@d,ta=@d,ua=@d;
UPDATE t1 SET va=@d,wa=@d,xa=@d,ya=@d,za=@d;
UPDATE t1 SET ab=@d,bb=@d,cb=@d,db=@d;
UPDATE t1 SET eb=@d,fb=@d,gb=@d,hb=@d,ib=@d,ja=@d;
UPDATE t1 SET kb=@d,lb=@d,mb=@d,nb=@d,ob=@d,pa=@d;
UPDATE t1 SET qb=@d,rb=@d,sb=@d,tb=@d,ub=@d;
UPDATE t1 SET vb=@d,wb=@d,xb=@d,yb=@d,zb=@d;
UPDATE t1 SET ac=@d,bc=@d,cc=@d,dc=@d;
UPDATE t1 SET ec=@d,fc=@d,gc=@d,hc=@d,ic=@d,jc=@d;
UPDATE t1 SET kc=@d,lc=@d,mc=@d,nc=@d,oc=@d,pc=@d;
UPDATE t1 SET qc=@d,rc=@d,sc=@d,tc=@d,uc=@d;
UPDATE t1 SET vc=@d,wc=@d,xc=@d,yc=@d,zc=@d;
COMMIT;
BEGIN;
UPDATE t2 SET a=@i,b=@i,c=@i,d=@i,e=@i;
UPDATE t2 SET f=@i,g=@i,h=@i,i=@i,j=@i;
UPDATE t2 SET k=@i,l=@i,m=@i,n=@i,o=@i;
UPDATE t2 SET p=@i,q=@i,r=@i,s=@i,t=@i,u=@i;
UPDATE t2 SET v=@i,w=@i,x=@i,y=@i,z=@i;
UPDATE t2 SET aa=@i,ba=@i,ca=@i,da=@i;
UPDATE t2 SET ea=@i,fa=@i,ga=@i,ha=@i,ia=@i,ja=@i;
UPDATE t2 SET ka=@i,la=@i,ma=@i,na=@i,oa=@i,pa=@i;
UPDATE t2 SET qa=@i,ra=@i,sa=@i,ta=@i,ua=@i;
UPDATE t2 SET va=@i,wa=@i,xa=@i,ya=@i,za=@i;
UPDATE t2 SET ab=@i,bb=@i,cb=@i,db=@i;
UPDATE t2 SET eb=@i,fb=@i,gb=@i,hb=@i,ib=@i,ja=@i;
UPDATE t2 SET kb=@i,lb=@i,mb=@i,nb=@i,ob=@i,pa=@i;
UPDATE t2 SET qb=@i,rb=@i,sb=@i,tb=@i,ub=@i;
UPDATE t2 SET vb=@i,wb=@i,xb=@i,yb=@i,zb=@i;
UPDATE t2 SET ac=@i,bc=@i,cc=@i,dc=@i;
UPDATE t2 SET ec=@i,fc=@i,gc=@i,hc=@i,ic=@i,jc=@i;
UPDATE t2 SET kc=@i,lc=@i,mc=@i,nc=@i,oc=@i,pc=@i;
UPDATE t2 SET qc=@i,rc=@i,sc=@i,tc=@i,uc=@i;
UPDATE t2 SET vc=@i,wc=@i,xc=@i,yc=@i,zc=@i;
COMMIT;
BEGIN;
UPDATE t1 SET a=@c,b=@c,c=@c,d=@c,e=@c,f=@c,g=@c,h=@c,i=@c,j=@c,
k=@c,l=@c,m=@c,n=@c,o=@c,p=@c,q=@c,r=@c,s=@c,t=@c,u=@c,
v=@c,w=@c,x=@c,y=@c,z=@c,
aa=@c,ba=@c,ca=@c,da=@c,ea=@c,fa=@c,ga=@c,ha=@c,ia=@c,ja=@c,
ka=@c,la=@c,ma=@c,na=@c,oa=@c,pa=@c,qa=@c,ra=@c,sa=@c,ta=@c,ua=@c,
va=@c,wa=@c,xa=@c,ya=@c,za=@c,
ab=@c,bb=@c,cb=@c,db=@c,eb=@c,fb=@c,gb=@c,hb=@c,ib=@c,jb=@c,
kb=@c,lb=@c,mb=@c,nb=@c,ob=@c,pb=@c,qb=@c,rb=@c,sb=@c,tb=@c,ub=@c,
vb=@c,wb=@c,xb=@c,yb=@c,zb=@c,
ac=@c,bc=@c,cc=@c,dc=@c,ec=@c,fc=@c,gc=@c,hc=@c,ic=@c,jc=@c,
kc=@c,lc=@c,mc=@c,nc=@c,oc=@c,pc=@c,qc=@c,rc=@c,sc=@c,tc=@c,uc=@c,
vc=@c,wc=@c,xc=@c,yc=@c,zc=@c;
UPDATE t1 SET a=@e,b=@e,c=@e,d=@e,e=@e,f=@e,g=@e,h=@e,i=@e,j=@e,
k=@e,l=@e,m=@e,n=@e,o=@e,p=@e,q=@e,r=@e,s=@e,t=@e,u=@e,
v=@e,w=@e,x=@e,y=@e,z=@e,
aa=@e,ba=@e,ca=@e,da=@e,ea=@e,fa=@e,ga=@e,ha=@e,ia=@e,ja=@e,
ka=@e,la=@e,ma=@e,na=@e,oa=@e,pa=@e,qa=@e,ra=@e,sa=@e,ta=@e,ua=@e,
va=@e,wa=@e,xa=@e,ya=@e,za=@e,
ab=@e,bb=@e,cb=@e,db=@e,eb=@e,fb=@e,gb=@e,hb=@e,ib=@e,jb=@e,
kb=@e,lb=@e,mb=@e,nb=@e,ob=@e,pb=@e,qb=@e,rb=@e,sb=@e,tb=@e,ub=@e,
vb=@e,wb=@e,xb=@e,yb=@e,zb=@e,
ac=@e,bc=@e,cc=@e,dc=@e,ec=@e,fc=@e,gc=@e,hc=@e,ic=@e,jc=@e,
kc=@e,lc=@e,mc=@e,nc=@e,oc=@e,pc=@e,qc=@e,rc=@e,sc=@e,tc=@e,uc=@e,
vc=@e,wc=@e,xc=@e,yc=@e,zc=@e;
UPDATE t2 SET a=@l,b=@l,c=@l,d=@l,e=@l,f=@l,g=@l,h=@l,i=@l,j=@l,
k=@l,l=@l,m=@l,n=@l,o=@l,p=@l,q=@l,r=@l,s=@l,t=@l,u=@l,
v=@l,w=@l,x=@l,y=@l,z=@l,
aa=@l,ba=@l,ca=@l,da=@l,ea=@l,fa=@l,ga=@l,ha=@l,ia=@l,ja=@l,
ka=@l,la=@l,ma=@l,na=@l,oa=@l,pa=@l,qa=@l,ra=@l,sa=@l,ta=@l,ua=@l,
va=@l,wa=@l,xa=@l,ya=@l,za=@l,
ab=@l,bb=@l,cb=@l,db=@l,eb=@l,fb=@l,gb=@l,hb=@l,ib=@l,jb=@l,
kb=@l,lb=@l,mb=@l,nb=@l,ob=@l,pb=@l,qb=@l,rb=@l,sb=@l,tb=@l,ub=@l,
vb=@l,wb=@l,xb=@l,yb=@l,zb=@l,
ac=@l,bc=@l,cc=@l,dc=@l,ec=@l,fc=@l,gc=@l,hc=@l,ic=@l,jc=@l,
kc=@l,lc=@l,mc=@l,nc=@l,oc=@l,pc=@l,qc=@l,rc=@l,sc=@l,tc=@l,uc=@l,
vc=@l,wc=@l,xc=@l,yc=@l,zc=@l;
COMMIT;
BEGIN;
UPDATE t1 SET a=@f,b=@f,c=@f,d=@f,e=@f;
UPDATE t1 SET f=@f,g=@f,h=@f,i=@f,j=@f;
UPDATE t1 SET k=@f,l=@f,m=@f,n=@f,o=@f;
UPDATE t1 SET p=@f,q=@f,r=@f,s=@f,t=@f,u=@f;
UPDATE t1 SET v=@f,w=@f,x=@f,y=@f,z=@f;
UPDATE t1 SET aa=@f,ba=@f,ca=@f,da=@f;
UPDATE t1 SET ea=@f,fa=@f,ga=@f,ha=@f,ia=@f,ja=@f;
UPDATE t1 SET ka=@f,la=@f,ma=@f,na=@f,oa=@f,pa=@f;
UPDATE t1 SET qa=@f,ra=@f,sa=@f,ta=@f,ua=@f;
UPDATE t1 SET va=@f,wa=@f,xa=@f,ya=@f,za=@f;
UPDATE t1 SET ab=@f,bb=@f,cb=@f,db=@f;
UPDATE t1 SET eb=@f,fb=@f,gb=@f,hb=@f,ib=@f,ja=@f;
UPDATE t1 SET kb=@f,lb=@f,mb=@f,nb=@f,ob=@f,pa=@f;
UPDATE t1 SET qb=@f,rb=@f,sb=@f,tb=@f,ub=@f;
UPDATE t1 SET vb=@f,wb=@f,xb=@f,yb=@f,zb=@f;
UPDATE t1 SET ac=@f,bc=@f,cc=@f,dc=@f;
UPDATE t1 SET ec=@f,fc=@f,gc=@f,hc=@f,ic=@f,jc=@f;
UPDATE t1 SET kc=@f,lc=@f,mc=@f,nc=@f,oc=@f,pc=@f;
UPDATE t1 SET qc=@f,rc=@f,sc=@f,tc=@f,uc=@f;
UPDATE t1 SET vc=@f,wc=@f,xc=@f,yc=@f,zc=@f;
COMMIT;
BEGIN;
UPDATE t2 SET a=@f,b=@f,c=@f,d=@f,e=@f;
UPDATE t2 SET f=@f,g=@f,h=@f,i=@f,j=@f;
UPDATE t2 SET k=@f,l=@f,m=@f,n=@f,o=@f;
UPDATE t2 SET p=@f,q=@f,r=@f,s=@f,t=@f,u=@f;
UPDATE t2 SET v=@f,w=@f,x=@f,y=@f,z=@f;
UPDATE t2 SET aa=@f,ba=@f,ca=@f,da=@f;
UPDATE t2 SET ea=@f,fa=@f,ga=@f,ha=@f,ia=@f,ja=@f;
UPDATE t2 SET ka=@f,la=@f,ma=@f,na=@f,oa=@f,pa=@f;
UPDATE t2 SET qa=@f,ra=@f,sa=@f,ta=@f,ua=@f;
UPDATE t2 SET va=@f,wa=@f,xa=@f,ya=@f,za=@f;
UPDATE t2 SET ab=@f,bb=@f,cb=@f,db=@f;
UPDATE t2 SET eb=@f,fb=@f,gb=@f,hb=@f,ib=@f,ja=@f;
UPDATE t2 SET kb=@f,lb=@f,mb=@f,nb=@f,ob=@f,pa=@f;
UPDATE t2 SET qb=@f,rb=@f,sb=@f,tb=@f,ub=@f;
UPDATE t2 SET vb=@f,wb=@f,xb=@f,yb=@f,zb=@f;
UPDATE t2 SET ac=@f,bc=@f,cc=@f,dc=@f;
UPDATE t2 SET ec=@f,fc=@f,gc=@f,hc=@f,ic=@f,jc=@f;
UPDATE t2 SET kc=@f,lc=@f,mc=@f,nc=@f,oc=@f,pc=@f;
UPDATE t2 SET qc=@f,rc=@f,sc=@f,tc=@f,uc=@f;
UPDATE t2 SET vc=@f,wc=@f,xc=@f,yc=@f,zc=@f;
COMMIT;
show create table t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` blob DEFAULT NULL,
  `b` blob DEFAULT NULL,
  `c` blob DEFAULT NULL,
  `d` blob DEFAULT NULL,
  `e` blob DEFAULT NULL,
  `f` blob DEFAULT NULL,
  `g` blob DEFAULT NULL,
  `h` blob DEFAULT NULL,
  `i` blob DEFAULT NULL,
  `j` blob DEFAULT NULL,
  `k` blob DEFAULT NULL,
  `l` blob DEFAULT NULL,
  `m` blob DEFAULT NULL,
  `n` blob DEFAULT NULL,
  `o` blob DEFAULT NULL,
  `p` blob DEFAULT NULL,
  `q` blob DEFAULT NULL,
  `r` blob DEFAULT NULL,
  `s` blob DEFAULT NULL,
  `t` blob DEFAULT NULL,
  `u` blob DEFAULT NULL,
  `v` blob DEFAULT NULL,
  `w` blob DEFAULT NULL,
  `x` blob DEFAULT NULL,
  `y` blob DEFAULT NULL,
  `z` blob DEFAULT NULL,
  `aa` blob DEFAULT NULL,
  `ba` blob DEFAULT NULL,
  `ca` blob DEFAULT NULL,
  `da` blob DEFAULT NULL,
  `ea` blob DEFAULT NULL,
  `fa` blob DEFAULT NULL,
  `ga` blob DEFAULT NULL,
  `ha` blob DEFAULT NULL,
  `ia` blob DEFAULT NULL,
  `ja` blob DEFAULT NULL,
  `ka` blob DEFAULT NULL,
  `la` blob DEFAULT NULL,
  `ma` blob DEFAULT NULL,
  `na` blob DEFAULT NULL,
  `oa` blob DEFAULT NULL,
  `pa` blob DEFAULT NULL,
  `qa` blob DEFAULT NULL,
  `ra` blob DEFAULT NULL,
  `sa` blob DEFAULT NULL,
  `ta` blob DEFAULT NULL,
  `ua` blob DEFAULT NULL,
  `va` blob DEFAULT NULL,
  `wa` blob DEFAULT NULL,
  `xa` blob DEFAULT NULL,
  `ya` blob DEFAULT NULL,
  `za` blob DEFAULT NULL,
  `ab` blob DEFAULT NULL,
  `bb` blob DEFAULT NULL,
  `cb` blob DEFAULT NULL,
  `db` blob DEFAULT NULL,
  `eb` blob DEFAULT NULL,
  `fb` blob DEFAULT NULL,
  `gb` blob DEFAULT NULL,
  `hb` blob DEFAULT NULL,
  `ib` blob DEFAULT NULL,
  `jb` blob DEFAULT NULL,
  `kb` blob DEFAULT NULL,
  `lb` blob DEFAULT NULL,
  `mb` blob DEFAULT NULL,
  `nb` blob DEFAULT NULL,
  `ob` blob DEFAULT NULL,
  `pb` blob DEFAULT NULL,
  `qb` blob DEFAULT NULL,
  `rb` blob DEFAULT NULL,
  `sb` blob DEFAULT NULL,
  `tb` blob DEFAULT NULL,
  `ub` blob DEFAULT NULL,
  `vb` blob DEFAULT NULL,
  `wb` blob DEFAULT NULL,
  `xb` blob DEFAULT NULL,
  `yb` blob DEFAULT NULL,
  `zb` blob DEFAULT NULL,
  `ac` blob DEFAULT NULL,
  `bc` blob DEFAULT NULL,
  `cc` blob DEFAULT NULL,
  `dc` blob DEFAULT NULL,
  `ec` blob DEFAULT NULL,
  `fc` blob DEFAULT NULL,
  `gc` blob DEFAULT NULL,
  `hc` blob DEFAULT NULL,
  `ic` blob DEFAULT NULL,
  `jc` blob DEFAULT NULL,
  `kc` blob DEFAULT NULL,
  `lc` blob DEFAULT NULL,
  `mc` blob DEFAULT NULL,
  `nc` blob DEFAULT NULL,
  `oc` blob DEFAULT NULL,
  `pc` blob DEFAULT NULL,
  `qc` blob DEFAULT NULL,
  `rc` blob DEFAULT NULL,
  `sc` blob DEFAULT NULL,
  `tc` blob DEFAULT NULL,
  `uc` blob DEFAULT NULL,
  `vc` blob DEFAULT NULL,
  `wc` blob DEFAULT NULL,
  `xc` blob DEFAULT NULL,
  `yc` blob DEFAULT NULL,
  `zc` blob DEFAULT NULL,
  KEY `t1a` (`a`(767),`b`(767)),
  KEY `t1c` (`c`(767),`d`(767)),
  KEY `t1e` (`e`(767),`f`(767)),
  KEY `t1f2` (`g`(767),`h`(767)),
  KEY `t1f4` (`i`(767),`j`(767)),
  KEY `t1k` (`k`(767),`m`(767)),
  KEY `t1f8` (`n`(767),`o`(767)),
  KEY `t1f11` (`p`(767),`q`(767)),
  KEY `t1f13` (`r`(767),`s`(767)),
  KEY `t1f15` (`t`(767),`u`(767)),
  KEY `t1f18` (`w`(767),`x`(767)),
  KEY `t1f20` (`y`(767),`z`(767)),
  KEY `ta1a6` (`aa`(767),`ba`(767)),
  KEY `tc1c6` (`ca`(767),`da`(767)),
  KEY `te1e6` (`ea`(767),`fa`(767))
) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=DYNAMIC
show create table t2;
Table	Create Table
t2	CREATE TABLE `t2` (
  `a` blob DEFAULT NULL,
  `b` blob DEFAULT NULL,
  `c` blob DEFAULT NULL,
  `d` blob DEFAULT NULL,
  `e` blob DEFAULT NULL,
  `f` blob DEFAULT NULL,
  `g` blob DEFAULT NULL,
  `h` blob DEFAULT NULL,
  `i` blob DEFAULT NULL,
  `j` blob DEFAULT NULL,
  `k` blob DEFAULT NULL,
  `l` blob DEFAULT NULL,
  `m` blob DEFAULT NULL,
  `n` blob DEFAULT NULL,
  `o` blob DEFAULT NULL,
  `p` blob DEFAULT NULL,
  `q` blob DEFAULT NULL,
  `r` blob DEFAULT NULL,
  `s` blob DEFAULT NULL,
  `t` blob DEFAULT NULL,
  `u` blob DEFAULT NULL,
  `v` blob DEFAULT NULL,
  `w` blob DEFAULT NULL,
  `x` blob DEFAULT NULL,
  `y` blob DEFAULT NULL,
  `z` blob DEFAULT NULL,
  `aa` blob DEFAULT NULL,
  `ba` blob DEFAULT NULL,
  `ca` blob DEFAULT NULL,
  `da` blob DEFAULT NULL,
  `ea` blob DEFAULT NULL,
  `fa` blob DEFAULT NULL,
  `ga` blob DEFAULT NULL,
  `ha` blob DEFAULT NULL,
  `ia` blob DEFAULT NULL,
  `ja` blob DEFAULT NULL,
  `ka` blob DEFAULT NULL,
  `la` blob DEFAULT NULL,
  `ma` blob DEFAULT NULL,
  `na` blob DEFAULT NULL,
  `oa` blob DEFAULT NULL,
  `pa` blob DEFAULT NULL,
  `qa` blob DEFAULT NULL,
  `ra` blob DEFAULT NULL,
  `sa` blob DEFAULT NULL,
  `ta` blob DEFAULT NULL,
  `ua` blob DEFAULT NULL,
  `va` blob DEFAULT NULL,
  `wa` blob DEFAULT NULL,
  `xa` blob DEFAULT NULL,
  `ya` blob DEFAULT NULL,
  `za` blob DEFAULT NULL,
  `ab` blob DEFAULT NULL,
  `bb` blob DEFAULT NULL,
  `cb` blob DEFAULT NULL,
  `db` blob DEFAULT NULL,
  `eb` blob DEFAULT NULL,
  `fb` blob DEFAULT NULL,
  `gb` blob DEFAULT NULL,
  `hb` blob DEFAULT NULL,
  `ib` blob DEFAULT NULL,
  `jb` blob DEFAULT NULL,
  `kb` blob DEFAULT NULL,
  `lb` blob DEFAULT NULL,
  `mb` blob DEFAULT NULL,
  `nb` blob DEFAULT NULL,
  `ob` blob DEFAULT NULL,
  `pb` blob DEFAULT NULL,
  `qb` blob DEFAULT NULL,
  `rb` blob DEFAULT NULL,
  `sb` blob DEFAULT NULL,
  `tb` blob DEFAULT NULL,
  `ub` blob DEFAULT NULL,
  `vb` blob DEFAULT NULL,
  `wb` blob DEFAULT NULL,
  `xb` blob DEFAULT NULL,
  `yb` blob DEFAULT NULL,
  `zb` blob DEFAULT NULL,
  `ac` blob DEFAULT NULL,
  `bc` blob DEFAULT NULL,
  `cc` blob DEFAULT NULL,
  `dc` blob DEFAULT NULL,
  `ec` blob DEFAULT NULL,
  `fc` blob DEFAULT NULL,
  `gc` blob DEFAULT NULL,
  `hc` blob DEFAULT NULL,
  `ic` blob DEFAULT NULL,
  `jc` blob DEFAULT NULL,
  `kc` blob DEFAULT NULL,
  `lc` blob DEFAULT NULL,
  `mc` blob DEFAULT NULL,
  `nc` blob DEFAULT NULL,
  `oc` blob DEFAULT NULL,
  `pc` blob DEFAULT NULL,
  `qc` blob DEFAULT NULL,
  `rc` blob DEFAULT NULL,
  `sc` blob DEFAULT NULL,
  `tc` blob DEFAULT NULL,
  `uc` blob DEFAULT NULL,
  `vc` blob DEFAULT NULL,
  `wc` blob DEFAULT NULL,
  `xc` blob DEFAULT NULL,
  `yc` blob DEFAULT NULL,
  `zc` blob DEFAULT NULL,
  KEY `t2a` (`a`(767),`b`(767)),
  KEY `t2c` (`c`(767),`d`(767)),
  KEY `t2e` (`e`(767),`f`(767)),
  KEY `t2f2` (`g`(767),`h`(767)),
  KEY `t2f4` (`i`(767),`j`(767)),
  KEY `t2k` (`k`(767),`m`(767)),
  KEY `t2f8` (`n`(767),`o`(767)),
  KEY `t2f11` (`p`(767),`q`(767)),
  KEY `t2f13` (`r`(767),`s`(767)),
  KEY `t2f15` (`t`(767),`u`(767)),
  KEY `t2f18` (`w`(767),`x`(767)),
  KEY `t2f20` (`y`(767),`z`(767)),
  KEY `ta2a6` (`aa`(767),`ba`(767)),
  KEY `tc2c6` (`ca`(767),`da`(767)),
  KEY `te2e6` (`ea`(767),`fa`(767))
) ENGINE=InnoDB DEFAULT CHARSET=latin1 ROW_FORMAT=COMPACT
drop table t1,t2;